{"id":12295,"date":"2023-01-03T11:53:44","date_gmt":"2023-01-03T06:23:44","guid":{"rendered":"https:\/\/ccssanswers.com\/?p=12295"},"modified":"2023-01-04T12:02:13","modified_gmt":"2023-01-04T06:32:13","slug":"big-ideas-math-answers-grade-4-chapter-14","status":"publish","type":"post","link":"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/","title":{"rendered":"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes"},"content":{"rendered":"<p>Understand the concept of Two-Dimensional Shapes with the help of Big Ideas Math Grade 4 Answer Key Chapter 14. The lesson Identify Symmetry and Two-Dimensional Shapes involves line symmetry, symmetric shapes, Classify Quadrilaterals, Classify Triangles, and so on. We have provided a clear cut explanation for all the questions topic wise. Thus Download <a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4\/\">Big Ideas Math Answers Grade 4<\/a> Chapter 14 Identify Symmetry and Two-Dimensional Shapes pdf for free.<\/p>\n<h2>Big Ideas Math Book 4th Grade Answer Key Chapter 14 Identify Symmetry and Two-Dimensional Shapes<\/h2>\n<p>Quick learning is possible with the clear explanations of Grade 4 Chapter 14 Answer Key. So, instantly start your practicing now and strengthen the knowledge. Complete concepts are solved with simple steps included in the Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes. Tap the below-attached links and improve your math skills.<\/p>\n<p><strong>Lesson: 1 Line Symmetry<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_14.1_Line_Symmetry\">Lesson 14.1 Line Symmetry<\/a><\/li>\n<li><a href=\"#Line_Symmetry_Homework_&amp;_Practice_14.1\">Line Symmetry Homework &amp; Practice 14.1<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 2 Draw Symmetric Shapes<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_14.2_Draw_Symmetric_Shapes\">Lesson 14.2 Draw Symmetric Shapes<\/a><\/li>\n<li><a href=\"#Draw_Symmetric_Shapes_Homework_&amp;_Practice_14.2\">Draw Symmetric Shapes Homework &amp; Practice 14.2<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 3 Classify Triangles by Sides<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_4.3_Classify_Triangles_by_Sides\">Lesson 4.3 Classify Triangles by Sides<\/a><\/li>\n<li><a href=\"#Classify_Triangles_by_Sides_Homework_&amp;_Practice_14.3\">Classify Triangles by Sides Homework &amp; Practice 14.3<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 4 Classify Triangles by Angles<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_14.4_Classify_Triangles_by_Angles\">Lesson 14.4 Classify Triangles by Angles<\/a><\/li>\n<li><a href=\"#Classify_Triangles_by_Angles_Homework_&amp;_Practice_14.4\">Classify Triangles by Angles Homework &amp; Practice 14.4<\/a><\/li>\n<\/ul>\n<p><strong>Lesson: 5 Classify Quadrilaterals<\/strong><\/p>\n<ul>\n<li><a href=\"#Lesson_14.5_Classify_Quadrilaterals\">Lesson 14.5 Classify Quadrilaterals<\/a><\/li>\n<li><a href=\"#Classify_Quadrilaterals_Homework_&amp;_Practice_14.5\">Classify Quadrilaterals Homework &amp; Practice 14.5<\/a><\/li>\n<\/ul>\n<p><strong>Performance Task<\/strong><\/p>\n<ul>\n<li><a href=\"#Identify_Symmetry_and_Two-Dimensional_Shapes_Performance_Task_14\">Identify Symmetry and Two-Dimensional Shapes Performance Task 14<\/a><\/li>\n<li><a href=\"#Identify_Symmetry_and_Two-Dimensional_Shapes_Activity\">Identify Symmetry and Two-Dimensional Shapes Activity<\/a><\/li>\n<li><a href=\"#Identify_Symmetry_and_Two-Dimensional_Shapes_Chapter_Practice\">Identify Symmetry and Two-Dimensional Shapes Chapter Practice<\/a><\/li>\n<li><a href=\"#Identify_Symmetry_and_Two-Dimensional_Shapes_Cumulative_Practice_1-14\">Identify Symmetry and Two-Dimensional Shapes Cumulative Practice 1-14<\/a><\/li>\n<li><a href=\"#Identify_Symmetry_and_Two-Dimensional_Shapes_Steam_Performance_Task_1-14\">Identify Symmetry and Two-Dimensional Shapes Steam Performance Task 1-14<\/a><\/li>\n<\/ul>\n<h3><a id=\"Lesson_14.1_Line_Symmetry\"><\/a>Lesson 14.1 Line Symmetry<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>How many ways can you fold the Letter X so that the two parts match exactly? Draw models to support your Answer:<br \/>\n2 ways as shown in the below diagram.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12458\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-1.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 1\" width=\"184\" height=\"183\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-1.png 184w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-1-150x150.png 150w\" sizes=\"(max-width: 184px) 100vw, 184px\" \/><br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-20608 size-full\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Explore-Grow.jpg\" alt=\"\" width=\"398\" height=\"342\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Explore-Grow.jpg 398w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Explore-Grow-300x258.jpg 300w\" sizes=\"(max-width: 398px) 100vw, 398px\" \/><br \/>\nStructure<br \/>\nWhat other letters can you fold so that the two parts match exactly? Draw models to support your answer. Compare your models with a partner.<br \/>\nAnswer:<br \/>\nThe letter W can be folded. Both the letters formed after folding will be the same.<\/p>\n<p><strong>Think and Grow:<\/strong><\/p>\n<p>A shape has line symmetry when it can be folded on a line so that two parts match exactly. The fold line is called a line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12459\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-2.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 2\" width=\"205\" height=\"87\" \/><br \/>\n<strong>Example<\/strong><br \/>\nDetermine whether the shape has line symmetry.<\/p>\n<p>The shape can be folded so that two parts match exactly.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12460\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-3.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 3\" width=\"367\" height=\"333\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-3.png 367w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-3-300x272.png 300w\" sizes=\"(max-width: 367px) 100vw, 367px\" \/><br \/>\nThe shape has __4_ lines of symmetry.<br \/>\nSo, the shape ___ line symmetry.<\/p>\n<p><strong>Example<\/strong><br \/>\nDetermine whether the shape has line symmetry.<br \/>\nThe shape cannot be folded so that two parts match exactly.<br \/>\nThe shape has ___ lines of symmetry.<br \/>\nSo, the shape ___ line symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12461\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-4.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 4\" width=\"111\" height=\"107\" \/><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Determine whether the line is a line of symmetry.<br \/>\nWe say there is symmetry when the exact reflection or mirror image of a line, shape or object gets created.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12462\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-5.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 5\" width=\"128\" height=\"92\" \/><br \/>\nAnswer:<br \/>\n<span style=\"font-size: 16px;\">No, because it&#8217;s not dividing the figure into identical Halves.<\/span><\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12463\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-6.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 6\" width=\"95\" height=\"94\" \/><br \/>\nAnswer:<br \/>\nYes, divides it into identical halves.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12464\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-7.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 7\" width=\"122\" height=\"116\" \/><br \/>\nAnswer:<br \/>\nYes, divides it into identical halves.<\/p>\n<p>Determine whether the shape has line symmetry. Draw each line of symmetry<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12465\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-8.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 8\" width=\"125\" height=\"81\" \/><br \/>\nAnswer:<br \/>\nYes, divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-21720 size-full\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Show-Grow-Question-4.jpg\" alt=\"\" width=\"181\" height=\"106\" \/><\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12466\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-9.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 9\" width=\"87\" height=\"91\" \/><br \/>\nAnswer:<br \/>\nYes,divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21721\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Show-Grow-Question-5.jpg\" alt=\"\" width=\"188\" height=\"142\" \/><\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12467\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-10.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 10\" width=\"77\" height=\"94\" \/><br \/>\nAnswer:<br \/>\nNo, As it cannot divide the shape into identical halves.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Determine whether the shape has line symmetry. Draw each line of symmetry.<\/p>\n<p>Question 7.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12313\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-11.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 11\" width=\"137\" height=\"97\" \/><br \/>\nAnswer:<br \/>\nNo, as it is a scalene triangle with different sides.<\/p>\n<p>Question 8.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12314\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-12.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 12\" width=\"141\" height=\"125\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-21724 size-full\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-8.jpg\" alt=\"\" width=\"158\" height=\"108\" \/><\/p>\n<p>Question 9.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12315\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-13.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 13\" width=\"124\" height=\"128\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21726\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-9.jpg\" alt=\"\" width=\"126\" height=\"141\" \/><\/p>\n<p>Question 10.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12316\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-14.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 14\" width=\"113\" height=\"102\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21728\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-10.jpg\" alt=\"\" width=\"165\" height=\"155\" \/><\/p>\n<p>Question 11.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12317\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-15.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 15\" width=\"120\" height=\"113\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21729\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-11.jpg\" alt=\"\" width=\"166\" height=\"156\" \/><\/p>\n<p>Question 12.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12318\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-16.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 16\" width=\"139\" height=\"130\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21730\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-12.jpg\" alt=\"\" width=\"193\" height=\"174\" \/><\/p>\n<p>Question 13.<br \/>\n<strong>Structure<\/strong><br \/>\nCreate a three-digit number that has a line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12319\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-17.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 17\" width=\"498\" height=\"64\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-17.png 498w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-17-300x39.png 300w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21732\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-13.jpg\" alt=\"\" width=\"212\" height=\"108\" \/><\/p>\n<p>Question 14.<br \/>\n<strong>Writing<\/strong><br \/>\nHow can you tell when a line is not a line of symmetry?<br \/>\nAnswer:<br \/>\nThe line of symmetry can be defined as the axis or imaginary line that passes through the center of the shape or object and divides it into identical halves.<br \/>\nWhen the line of symmetry doesn&#8217;t divide the shape into identical halves then it is not a line of symmetry.<\/p>\n<p>Question 15.q<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nDraw four lines of symmetry for the circle. Can you draw more lines of symmetry? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12320\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-18.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 18\" width=\"96\" height=\"89\" \/><br \/>\nAnswer:<br \/>\nYes.Circle has\u00a0infinite\u00a0lines of symmetry.<br \/>\nSince\u00a0there are\u00a0an infinite\u00a0number of lines\u00a0through the center, the\u00a0circle has\u00a0an infinite\u00a0number of lines of symmetry. &#8230; This means that the parts of the\u00a0circle on each side of the line \u00a0must\u00a0 have\u00a0the same area. So a\u00a0line of symmetry\u00a0divides the\u00a0circle\u00a0into two parts with equal area.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21738\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Apply-Grow-Practice-Question-15.jpg\" alt=\"\" width=\"198\" height=\"136\" \/><\/p>\n<p><strong>Think and Grow:Modeling Real Life<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nDivide the archery target into multiple sections using each of its lines of symmetry. An archer gets 2 arrows in each section. How many arrows does the archer get on the target? Draw each line of symmetry on the target.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12321\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-19.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 19\" width=\"205\" height=\"311\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-19.png 205w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-19-198x300.png 198w\" sizes=\"(max-width: 205px) 100vw, 205px\" \/><br \/>\nThe target has _4__ lines of symmetry.<br \/>\nCount the sections.<br \/>\nThe lines of symmetry divide the target into _8__ sections.<br \/>\nThe archer gets 2 arrows in each section, so multiply the number of sections by 2.<br \/>\n_8__ \u00d7 _2_ = 16<br \/>\nSo, the archer gets _16__ arrows on the target.<br \/>\nAnswer:<br \/>\n16.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 16.<br \/>\nDivide the soccer field into multiple sections using each of its lines of symmetry. At the start of the game, there are 3 players in each section. How many players are on the field?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12322\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-20.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 20\" width=\"194\" height=\"123\" \/><br \/>\nAnswer:<br \/>\nNumber of players in each section = 3<br \/>\nNumber of sections = 6.<br \/>\nTotal number of players = Number of sections x Number of players in each section<br \/>\n= 3 X 6. = 18 players.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22579\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Show-Grow-Question-16.jpg\" alt=\"\" width=\"294\" height=\"215\" \/><\/p>\n<p>Question 17.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nYour friend folds a rectangular sheet of paper in half horizontally, and then in half again vertically. She then draws the shape shown on the folded paper, cuts it out, and then unfolds it. How many lines of symmetry does your friend\u2019s cutout have? Explain.<br \/>\nAnswer:<br \/>\nThe rectangle paper is folded into 4 small rectangle.<br \/>\nThen the rectangle is cut it out. it means 2 side edges cuts.<br \/>\nTwo rectangles with adjacent are left.<br \/>\nlines of symmetry does your friend\u2019s cutout = 2.<\/p>\n<h3><a id=\"Line_Symmetry_Homework_&amp;_Practice_14.1\"><\/a>Line Symmetry Homework &amp; Practice 14.1<\/h3>\n<p>Determine whether the shape has line symmetry.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12323\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-21.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 21\" width=\"126\" height=\"101\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12324\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-22.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 22\" width=\"144\" height=\"86\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12325\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-23.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 23\" width=\"86\" height=\"114\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<\/p>\n<p>Determine whether the line is a line of symmetry. Draw each line of symmetry.<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12326\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-24.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 24\" width=\"121\" height=\"125\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21740\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Homework-Practice-14.1-Question-4.jpg\" alt=\"\" width=\"174\" height=\"162\" \/><\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12327\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-25.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 25\" width=\"128\" height=\"113\" \/><br \/>\nAnswer:<br \/>\nNO, as the line of symmetry cannot divide it into identical halves.<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12328\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-26.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 26\" width=\"128\" height=\"124\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21741\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Homework-Practice-14.1-Question-6.jpg\" alt=\"\" width=\"159\" height=\"156\" \/><\/p>\n<p>Question 7.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12329\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-27.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 27\" width=\"140\" height=\"102\" \/><br \/>\nAnswer:<br \/>\nNo, as the line of symmetry cannot divide it into identical halves.<\/p>\n<p>Question 8.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12330\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-28.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 28\" width=\"91\" height=\"123\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21743\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Homework-Practice-14.1-Question-8.jpg\" alt=\"\" width=\"150\" height=\"147\" \/><\/p>\n<p>Question 9.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12331\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-29.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 29\" width=\"149\" height=\"111\" \/><br \/>\nAnswer:<br \/>\nYes, as the line of symmetry divides it into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21748\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.1-Line-Symmentry-Homework-Practice-14.1-Question-9.jpg\" alt=\"\" width=\"165\" height=\"146\" \/><\/p>\n<p>Question 10.<br \/>\n<strong>Precision<\/strong><br \/>\nWhich figure correctly shows all the lines of symmetry of a square?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12332\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-30.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 30\" width=\"649\" height=\"176\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-30.png 649w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-30-300x81.png 300w\" sizes=\"(max-width: 649px) 100vw, 649px\" \/><br \/>\nAnswer:<br \/>\nFigure 4<\/p>\n<p>Question 11.<br \/>\n<strong>YOU BE THE TEACHER<\/strong><br \/>\nYour friend says the shape has exactly three lines of symmetry. Is your friend correct? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12333\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-31.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 31\" width=\"162\" height=\"144\" \/><br \/>\nAnswer:<br \/>\nNo<br \/>\nExplanation:<br \/>\nA regular\u00a0hexagon\u00a0with six equal sides\u00a0has\u00a0six\u00a0lines of symmetry.<br \/>\nFor\u00a0all\u00a0regular polygons, the number of\u00a0lines of symmetry\u00a0is equal to the number of sides.<\/p>\n<p>Question 12.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nDivide the tennis court into multiple sections using each of its lines of symmetry. There are 4 players on the court with an equal number of players in each section. How many players are in each section?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12334\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-32.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 32\" width=\"190\" height=\"104\" \/><br \/>\nAnswer:<br \/>\nNumber of players = 4.<br \/>\nNumber of sections= 2.<br \/>\nNumber of players in each section = 4 \/2=2.<\/p>\n<p>Question 13.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nIn art class, you are making a black and white art piece. Your teacher says it has to have exactly 1 line of diagonal symmetry. Shade the square below to show what the art piece could look like.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12335\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-33.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 33\" width=\"153\" height=\"144\" \/><br \/>\nAnswer:<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 14.<br \/>\n\\(\\frac{8}{12}\\)<br \/>\nAnswer:<br \/>\n8\/12=2\/3=0.66<\/p>\n<p>Question 15.<br \/>\n\\(\\frac{5}{100}\\)<br \/>\nAnswer:<br \/>\n5\/100=0.05<\/p>\n<h3><a id=\"Lesson_14.2_Draw_Symmetric_Shapes\"><\/a>Lesson 14.2 Draw Symmetric Shapes<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>You want to create a mask that has at least 1 line of symmetry. Does either mask meet your requirement? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12336\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-34.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 34\" width=\"491\" height=\"163\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-34.png 491w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-34-300x100.png 300w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/><br \/>\nAnswer:<\/p>\n<p>Complete the mask below so that it has 1 line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-12337\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-35.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 35\" width=\"167\" height=\"170\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22586\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Explore-Grow..jpg\" alt=\"\" width=\"290\" height=\"170\" \/><\/p>\n<p><strong>Reasoning<\/strong><br \/>\nWhen given one half of a figure and a line of symmetry, how can you draw the other half of the figure? Explain.<br \/>\nAnswer:<br \/>\nLine symmetry and mirror reflection are naturally related and linked to each other.Mirror image of the given image helps to draw the other half of the figure.<\/p>\n<p><strong>Think and Grow: Draw Symmetric Shapes<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nOne half of a symmetric shape is shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12338\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-36.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 36\" width=\"289\" height=\"249\" \/><\/p>\n<p><strong>One way:<\/strong> Draw a line of Symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12339\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-37.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 37\" width=\"174\" height=\"96\" \/><br \/>\nDraw the other half of the shape on the opposite side of the line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12340\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-38.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 38\" width=\"173\" height=\"140\" \/><\/p>\n<p><strong>Another Way:<\/strong> Draw a different line of symmetry<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12341\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-39.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 39\" width=\"133\" height=\"137\" \/><br \/>\nDraw the other half of the shape on the opposite side of the line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12342\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-40.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 40\" width=\"182\" height=\"141\" \/><br \/>\nAnswer:<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\nOne half of a shape and a line of symmetry are shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12451\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-400.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 400\" width=\"267\" height=\"170\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21767\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-1.jpg\" alt=\"\" width=\"239\" height=\"148\" \/><\/p>\n<p>Question 2.<br \/>\nOne half of a symmetric shape is shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12343\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-41.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 41\" width=\"196\" height=\"139\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21769\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-2.jpg\" alt=\"\" width=\"193\" height=\"144\" \/><\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>One half of a symmetric shape is shown. Draw the rest of the shape.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12344\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-42.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 42\" width=\"207\" height=\"137\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21770\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-3.png\" alt=\"\" width=\"167\" height=\"117\" \/><\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12345\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-43.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 43\" width=\"196\" height=\"140\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21771\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-4.jpg\" alt=\"\" width=\"169\" height=\"113\" \/><\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12346\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-44.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 44\" width=\"191\" height=\"132\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21772\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-5.jpg\" alt=\"\" width=\"173\" height=\"120\" \/><\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12347\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-45.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 45\" width=\"188\" height=\"125\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21773\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-6.jpg\" alt=\"\" width=\"185\" height=\"125\" \/><\/p>\n<p>Question 7.<br \/>\n<strong>Reasoning<\/strong><br \/>\nDraw a shape that has exactly one line symmetry. Draw the line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12348\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-46.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 46\" width=\"193\" height=\"128\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21774\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Show-Grow-Question-7.jpg\" alt=\"\" width=\"181\" height=\"160\" \/><\/p>\n<p>Question 8.<\/p>\n<p><strong>YOU BE THE TEACHER<\/strong><br \/>\nYour friend draws the other half of the shape on the opposite side of the line of symmetry. Is your friend correct? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12349\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-47.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 47\" width=\"222\" height=\"169\" \/><br \/>\nAnswer:<br \/>\nYes,The line of symmetry can be defined as the axis or imaginary line that passes through the center of the shape or object and divides it into identical halves.<br \/>\nAs per above figure both are two identical halves.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nA rokkaku is a six-sided Japanese kite. One half of a symmetric rokkaku and a line of symmetry are shown. Draw the rest of the kite. Then draw each additional line of symmetry, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12350\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-48.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 48\" width=\"204\" height=\"330\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-48.png 204w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-48-185x300.png 185w\" sizes=\"(max-width: 204px) 100vw, 204px\" \/><br \/>\nDraw the other half of the rokkaku on the opposite side of the line of symmetry.<br \/>\nThe rokkaku can also be folded in half vertically so that two parts match exactly. So, draw a vertical line of symmetry.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 9.<br \/>\nThe Jamaican flag is symmetric. One half of the flag and a line of symmetry are shown. Draw the rest of the flag. Then draw each additional line of symmetry, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12351\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-49.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 49\" width=\"133\" height=\"159\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22587\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Show-Grow-Question-9.jpg\" alt=\"\" width=\"300\" height=\"162\" \/><\/p>\n<p>Question 10.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nA symmetric quilt is folded in half horizontally, and then in half again vertically. The folded quilt and fold lines are shown. Draw the unfolded quilt. Then draw each line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12352\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-50.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 50\" width=\"141\" height=\"121\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22588\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Show-Grow-Question-10.jpg\" alt=\"\" width=\"302\" height=\"222\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Show-Grow-Question-10.jpg 302w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Show-Grow-Question-10-300x221.jpg 300w\" sizes=\"(max-width: 302px) 100vw, 302px\" \/><\/p>\n<h3><a id=\"Draw_Symmetric_Shapes_Homework_&amp;_Practice_14.2\"><\/a>Draw Symmetric Shapes Homework &amp; Practice 14.2<\/h3>\n<p><strong>Example<\/strong><br \/>\nOne half of a symmetric shape is shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12353\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-51.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 51\" width=\"133\" height=\"102\" \/><\/p>\n<p><strong>One Way:<\/strong> Draw a line symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12354\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-52.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 52\" width=\"170\" height=\"98\" \/><br \/>\nDraw the other half of the shape on the opposite side of the line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12355\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-53.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 53\" width=\"169\" height=\"139\" \/><br \/>\n<strong>Another Way:<\/strong> Draw a different line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12356\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-54.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 54\" width=\"128\" height=\"136\" \/><br \/>\nDrawthe other half of the shape on the opposite side of the line of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12357\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-55.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 55\" width=\"157\" height=\"145\" \/><\/p>\n<p>Question 1.<br \/>\nOne half of a shape and a line of symmetry are shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12358\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-56.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 56\" width=\"252\" height=\"138\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21777\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-1.jpg\" alt=\"\" width=\"222\" height=\"137\" \/><\/p>\n<p>Question 2.<br \/>\nOne half of a symmetric shape is shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12359\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-57.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 57\" width=\"216\" height=\"119\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21779\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-2.jpg\" alt=\"\" width=\"183\" height=\"107\" \/><\/p>\n<p>One half of a symmetric shape is shown. Draw the rest of the shape.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12360\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-58.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 58\" width=\"195\" height=\"127\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21780\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-3.jpg\" alt=\"\" width=\"172\" height=\"122\" \/><\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12361\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-59.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 59\" width=\"186\" height=\"127\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21781\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-4.jpg\" alt=\"\" width=\"165\" height=\"121\" \/><\/p>\n<p>Question 5.<br \/>\n<strong>Structure<\/strong><br \/>\nDraw a shape that has 5 sides and exactly 1 line of symmetry.<br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21782\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-5.jpg\" alt=\"\" width=\"98\" height=\"200\" \/><\/p>\n<p>Question 6.<br \/>\nOne fourth of a shape and two lines of symmetry are shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12362\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-60.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 60\" width=\"236\" height=\"192\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21784\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-6.jpg\" alt=\"\" width=\"228\" height=\"192\" \/><\/p>\n<p>Question 7.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nThe flag of the Bahamas is symmetric. One half of the flag and a line of symmetry are shown. Draw the rest of the flag. Then draw each additional line of symmetry, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12363\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-61.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 61\" width=\"212\" height=\"85\" \/><br \/>\nAnswer:<br \/>\nNo other line of symmetry is possible.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21785\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-7.png\" alt=\"\" width=\"204\" height=\"129\" \/><\/p>\n<p>Question 8.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nSnowflakes are symmetric. One half of a snowflake and a line of symmetry are shown. Draw the rest of the snowflake. Then draw each additional line of symmetry, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12364\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-62.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 62\" width=\"90\" height=\"166\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21787\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.2-Draw-Symmentric-Shapes-Home-Practice-Question-8.jpg\" alt=\"\" width=\"129\" height=\"159\" \/><\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Find the equivalent weight.<\/p>\n<p>Question 9.<br \/>\n2T = lb<br \/>\nAnswer:<br \/>\n1Ton =2,000 pounds<br \/>\n2Ton =4,000 pounds<\/p>\n<p>Question 10.<br \/>\n15lb = ___oz<br \/>\nAnswer:<br \/>\n1pound = 16 ounce<br \/>\n15lb = 240 oz<\/p>\n<h3><a id=\"Lesson_4.3_Classify_Triangles_by_Sides\"><\/a>Lesson 4.3 Classify Triangles by Sides<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Sort the triangles into two or more groups using their side lengths. Explain how you sorted the triangles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12365\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-63.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 63\" width=\"563\" height=\"321\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-63.png 563w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-63-300x171.png 300w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/><br \/>\nAnswer:<br \/>\nTriangle A = Isosceles Triangle -An isosceles triangle has both two equal sides.<br \/>\nTriangle B = Scalene Triangle- no sides with same length<br \/>\nTriangle C -Isosceles Triangle -An isosceles triangle has both two equal sides.<br \/>\nTriangle D-Scalene Triangle- no sides with same length<br \/>\nTriangle E &#8211; Equilateral Triangle &#8211; All sides equal.<br \/>\nTriangle F &#8211; Equilateral Triangle &#8211; All sides equal.<\/p>\n<p><strong>Structure<\/strong><br \/>\nCan you draw a triangle that does belong in any of your groups above? Explain.<\/p>\n<p><strong>Think and Grow: Classify Triangles by Sides<\/strong><\/p>\n<p>Triangles can be classified by their sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12366\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-64.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 64\" width=\"710\" height=\"269\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-64.png 710w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-64-300x114.png 300w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><br \/>\nAnswer:<\/p>\n<p><strong>Example<\/strong><br \/>\nClassify the triangle by its sides.<br \/>\nThe triangle has _2_ sides with the same length.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12367\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-66.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 66\" width=\"223\" height=\"124\" \/><br \/>\nSo, it is an ___ triangle.<br \/>\nAnswer:<br \/>\nIsosceles Triangle.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Classify the triangle by its sides.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12452\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-401.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 401\" width=\"125\" height=\"133\" \/><\/p>\n<p>Answer:<br \/>\nScalene Triangle-no sides with same length<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12453\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-402.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 402\" width=\"145\" height=\"131\" \/><\/p>\n<p>Answer:<br \/>\nEquilateral Triangle &#8211; All sides equal.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12454\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-403.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 403\" width=\"110\" height=\"115\" \/><\/p>\n<p>Answer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<\/p>\n<p>Question 4.<br \/>\nUse the triangular grid to draw any triangle. Classify the triangle by its sides<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12368\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-67.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 67\" width=\"239\" height=\"146\" \/><br \/>\nAnswer:<br \/>\nIt is Equilateral triangle with all sides equal.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22589\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Sides-Question-4-.jpg\" alt=\"\" width=\"205\" height=\"130\" \/><\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Classify the triangle by its sides.<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12369\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-68.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 68\" width=\"98\" height=\"127\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12370\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-69.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 69\" width=\"95\" height=\"74\" \/><br \/>\nAnswer:<br \/>\nScalene Triangle-no sides with same length<\/p>\n<p>Question 7.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12371\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-70.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 70\" width=\"94\" height=\"93\" \/><br \/>\nAnswer:<br \/>\nEquilateral Triangle &#8211; All sides equal.<\/p>\n<p>Question 8.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12372\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-71.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 71\" width=\"127\" height=\"176\" \/><br \/>\nAnswer:<br \/>\nScalene Triangle-no sides with same length<\/p>\n<p>Question 9.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12373\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-72.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 72\" width=\"143\" height=\"130\" \/><br \/>\nAnswer:<br \/>\nEquilateral Triangle &#8211; All sides equal.<\/p>\n<p>Question 10.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12374\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-73.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 73\" width=\"85\" height=\"102\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<\/p>\n<p>Question 11.<br \/>\nDraw a triangle that has three lines of symmetry. Classify the triangle by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12375\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-74.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 74\" width=\"257\" height=\"187\" \/><br \/>\nAnswer:<br \/>\nEquilateral Triangle &#8211; All sides equal.It has 3 lines of symmentry.<br \/>\n<a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/big-ideas-math-answer-key-grade-4-chapter-14-identify-symmetry-two-dimensional-shapes-4-3-classify-triangles-sides-show-grow-question-11\/\" rel=\"attachment wp-att-20609\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-20609\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-\u2013-Sides-Show-Grow-Question-11.jpg\" alt=\"\" width=\"244\" height=\"175\" \/><\/a><\/p>\n<p>Question 12.<br \/>\nDraw a triangle that has no sides with the same length. Classify the triangle by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12376\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-75.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 75\" width=\"187\" height=\"150\" \/><br \/>\nAnswer:<br \/>\n<a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/big-ideas-math-answer-key-grade-4-chapter-14-identify-symmetry-two-dimensional-shapes-4-3-classify-triangles-sides-show-grow-question-12\/\" rel=\"attachment wp-att-20610\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-20610\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-\u2013-Sides-Show-Grow-Question-12.jpg\" alt=\"\" width=\"166\" height=\"137\" \/><\/a><\/p>\n<p>Question 13.<br \/>\n<strong>Reasoning<\/strong><br \/>\nHow many lines of symmetry does a scalene triangle have? Explain.<br \/>\nAnswer:<br \/>\nA scalene triangle have is zero lines of symmetry<br \/>\nExplanation:<br \/>\nIt\u00a0has\u00a0no equal sides and no equal angles.<\/p>\n<p>Question 14.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nWrite an addition equation and a multiplication equation for the perimeter, P, of the triangle<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12377\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-76.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 76\" width=\"108\" height=\"107\" \/><br \/>\nAnswer:<br \/>\nif a\u00a0triangle\u00a0has sides a, b, and c, then the\u00a0perimeter\u00a0of that\u00a0triangle\u00a0will be P = a + b + c.<br \/>\nAs the above Triangle given is an Equilateral Triangle then perimeter = s +s+s=3s.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nClassify the yield sign by its sides. Then find the perimeter of the sign.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12378\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-77.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 77\" width=\"173\" height=\"151\" \/><br \/>\nThe yield sign is a triangle that has 3 sides with the same length.<br \/>\nSo, it is an _Equilateral__ triangle.<br \/>\nTo find the perimeter of the yield sign, find the sum of all of its side lengths.<br \/>\n36 + 36 + 36 = _108__<br \/>\nSo, the perimeter of the yield sign is _108__ inches.<br \/>\nAnswer:<br \/>\n108 inches.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 15.<br \/>\nClassify the sports pennant by its sides. Then find the perimeter of the pennant.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12379\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-78.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 78\" width=\"256\" height=\"135\" \/><br \/>\nAnswer:<br \/>\nPerimeter of triangle = a + b+ c (Where a,b,c are 3 sides of triangle).<br \/>\nP=\u00a0 30(5\/10) +77(7\/10) + 77(7\/10)<br \/>\nP=(305+777+777)\/10<br \/>\nP=1859\/10=185.9cms.<\/p>\n<p>Question 16.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nThe perimeter of the canoe sail is 29.75 feet. Find the unknown side length. Then classify the sail by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12380\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-79.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 79\" width=\"184\" height=\"160\" \/><br \/>\nAnswer:<br \/>\nPerimeter of triangle = a + b+ c (Where a,b,c are 3 sides of triangle).<br \/>\nP=29.75feet<br \/>\n29.75=12+6.5+c<br \/>\nc=29.75-18.5=11.25 feet.<\/p>\n<p>Question 17.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nAn emergency warning triangle is an equilateral triangle. It has a perimeter of 51 inches. What are the side lengths of the warning triangle?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12455\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-410.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 410\" width=\"147\" height=\"140\" \/><br \/>\nAnswer:<br \/>\nPerimeter of Equilateral Triangle= s +s+s=3s.(s=side of the triangle)<br \/>\nP = 51 inches.<br \/>\n51=3s.<br \/>\ns=51\/3=17 inches.<\/p>\n<h3><a id=\"Classify_Triangles_by_Sides_Homework_&amp;_Practice_14.3\"><\/a>Classify Triangles by Sides Homework &amp; Practice 14.3<\/h3>\n<p>Classify the triangle by its sides.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12381\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-80.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 80\" width=\"101\" height=\"109\" \/><br \/>\nAnswer:<br \/>\nEquilateral Triangle &#8211; All sides equal.<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12382\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-81.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 81\" width=\"179\" height=\"90\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12383\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-82.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 82\" width=\"183\" height=\"104\" \/><br \/>\nAnswer:<br \/>\nScalene Triangle-no sides with same length<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12384\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-83.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 83\" width=\"167\" height=\"144\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12385\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-84.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 84\" width=\"176\" height=\"92\" \/><br \/>\nAnswer:<br \/>\nScalene Triangle-no sides with same length<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12386\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-85.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 85\" width=\"142\" height=\"121\" \/><br \/>\nAnswer:<br \/>\nEquilateral Triangle &#8211; All sides equal.<\/p>\n<p>Question 7.<br \/>\nDraw a triangle that has exactly 2 sides with the same length. Classify the triangle by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12387\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-86.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 86\" width=\"244\" height=\"178\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<br \/>\n<a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/big-ideas-math-answer-key-grade-4-chapter-14-identify-symmetry-two-dimensional-shapes-4-3-classify-triangles-homework-practice-question-7\/\" rel=\"attachment wp-att-20611\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-20611\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-\u2013Triangles-Homework-Practice-Question-7.jpg\" alt=\"\" width=\"221\" height=\"163\" \/><\/a><\/p>\n<p>Question 8.<br \/>\nDraw a triangle that has exactly 1 line of symmetry. Classify the triangle by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12388\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-87.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 87\" width=\"243\" height=\"186\" \/><br \/>\nAnswer:<br \/>\nIsosceles Triangle -An isosceles triangle has two equal sides.<br \/>\n<a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/big-ideas-math-answer-key-grade-4-chapter-14-identify-symmetry-two-dimensional-shapes-4-3-classify-triangles-homework-practice-question-8\/\" rel=\"attachment wp-att-20612\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-20612\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-\u2013Triangles-Homework-Practice-Question-8.jpg\" alt=\"\" width=\"233\" height=\"164\" \/><\/a><\/p>\n<p>Question 9.<br \/>\nDraw a triangle that has no lines of symmetry. Classify the triangle by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12389\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-88.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 88\" width=\"189\" height=\"148\" \/><br \/>\nAnswer:<br \/>\n<a href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/big-ideas-math-answer-key-grade-4-chapter-14-identify-symmetry-two-dimensional-shapes-4-3-classify-triangles-sides-show-grow-question-12\/\" rel=\"attachment wp-att-20610\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-20610\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-\u2013-Sides-Show-Grow-Question-12.jpg\" alt=\"\" width=\"166\" height=\"137\" \/><\/a><br \/>\nA scalene triangle have is zero lines of symmetry<br \/>\nExplanation:<br \/>\nIt\u00a0has\u00a0no equal sides and no equal angles.<\/p>\n<p>Question 10.<br \/>\n<strong>Structure<\/strong><br \/>\nClassify the triangle pattern block by its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12390\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-89.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 89\" width=\"124\" height=\"107\" \/><br \/>\nAnswer:<br \/>\nIt is a Equilateral Triangle as it has 3 equal sides.<\/p>\n<p>Question 11.<br \/>\n<strong>Reasoning<\/strong><br \/>\nCan the triangle have 3 lines of symmetry? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12391\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-90.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 90\" width=\"102\" height=\"117\" \/><br \/>\nAnswer:<br \/>\nThe above given Triangle is the Isosceles triangle it have only one line of symmentry.<br \/>\nIsosceles Triangle -An isosceles triangle has both two equal sides.<br \/>\nOnly an equilateral\u00a0triangle has three lines of symmetry.<\/p>\n<p>Question 12.<br \/>\n<strong>Reasoning<\/strong><br \/>\nYour friend draws a triangle with side lengths of 25.3 centimeters, 15.2 centimeters, and 12.6 centimeters. Classify your friend\u2019s triangle.<br \/>\nAnswer:<br \/>\nScalene Triangle have 3 different sides, none of the side is equal.<\/p>\n<p>Question 13.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nClassify the roof truss by its sides. Then find the perimeter of the roof truss.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12392\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-91.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 91\" width=\"260\" height=\"129\" \/><br \/>\nAnswer:<br \/>\nP=a+b+c where a,b and c are sides.<br \/>\nP=30+16+34=80ft.<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Find the perimeter of the rectangle<\/p>\n<p>Question 14.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12393\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-92.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 92\" width=\"188\" height=\"121\" \/><br \/>\nAnswer:<br \/>\nPerimeter of a rectangle= 2(l+b) (where l=length and b=breadth of the rectangle).<br \/>\nPerimeter=2(32+20)=2(52)<br \/>\nPerimeter=104 yd.<\/p>\n<p>Question 15.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12394\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-93.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 93\" width=\"145\" height=\"148\" \/><br \/>\nAnswer:<br \/>\nPerimeter of a rectangle= 2(l+b) (where l=length and b=breadth of the rectangle).<br \/>\nPerimeter=2(36+45)=2(81)<br \/>\nPerimeter=162ft.<\/p>\n<h3><a id=\"Lesson_14.4_Classify_Triangles_by_Angles\"><\/a>Lesson 14.4 Classify Triangles by Angles<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Sort the triangles into two or more groups using their angle measures. Explain how you sorted the triangles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12457\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-4th-Grade-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-94.png\" alt=\"Big Ideas Math Answers 4th Grade Chapter 14 Identify Symmetry and Two-Dimensional Shapes 94\" width=\"580\" height=\"304\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-4th-Grade-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-94.png 580w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-4th-Grade-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-94-300x157.png 300w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><\/p>\n<p><strong>Construct Arguments<\/strong><br \/>\nYour friend saysa triangle that has three angles with the same measure also has three sides with the same length. Is your friend correct? Explain.<\/p>\n<p><strong>Think and Grow: Classify Triangles by Angles<\/strong><\/p>\n<p>Triangles can be classified by their angles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12395\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-95.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 95\" width=\"702\" height=\"379\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-95.png 702w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-95-300x162.png 300w\" sizes=\"(max-width: 702px) 100vw, 702px\" \/><br \/>\n<strong>Example<\/strong><br \/>\nClassify the triangle by its angles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12396\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-96.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 96\" width=\"198\" height=\"122\" \/><br \/>\nThe triangle has one _obtuse_ angle.<br \/>\nSo, it is an _obtuse__ triangle.<br \/>\nAnswer:<br \/>\nObtuse Triangle<\/p>\n<p><strong>Example<\/strong><br \/>\nClassify the triangle by its angles and its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12397\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-97.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 97\" width=\"161\" height=\"90\" \/><br \/>\nThe triangle has one _right_ angle.<br \/>\nand _2_ sides with the same length.<br \/>\nSo, it is an _right angled_ ___ triangle.<br \/>\nAnswer:<br \/>\nRight angled triangle.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 1.<br \/>\nClassify the triangle by its angles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12398\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-98.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 98\" width=\"90\" height=\"133\" \/><br \/>\nAnswer:<br \/>\nRight-angled triangle-it have one right angle.<\/p>\n<p>Question 2.<br \/>\nClassify the triangle by its angles and its sides<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12399\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-99.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 99\" width=\"101\" height=\"101\" \/><br \/>\nAnswer:<br \/>\nAcute triangle.<br \/>\nIsosceles Triangle &#8211; 2 equal sides.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Classify the triangle by its angles.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12400\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-100.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 100\" width=\"118\" height=\"100\" \/><br \/>\nAnswer:<br \/>\nRight angle triangle.<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12401\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-101.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 101\" width=\"103\" height=\"107\" \/><br \/>\nAnswer:<br \/>\nAcute triangle<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12402\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-102.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 102\" width=\"98\" height=\"95\" \/><br \/>\nAnswer:<br \/>\nEquiangular Triangle.<\/p>\n<p>Classify the triangle by its angles and its sides.<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12403\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-103.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 103\" width=\"118\" height=\"92\" \/><br \/>\nAnswer:<br \/>\nAcute triangle-angles<br \/>\nIsosceles triangle-sides<\/p>\n<p>Question 7.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12404\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-104.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 104\" width=\"160\" height=\"87\" \/><br \/>\nAnswer:<br \/>\nRight angle triangle-angle<br \/>\nScalene triangle-sides<\/p>\n<p>Question 8.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12405\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-105.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 105\" width=\"114\" height=\"140\" \/><br \/>\nAnswer:<br \/>\nObtuse triangle-angle<br \/>\nScalene triangle-side<\/p>\n<p>Question 9.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12406\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-106.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 106\" width=\"123\" height=\"126\" \/><br \/>\nAnswer:<br \/>\nRight angle triangle -angle<br \/>\nIsosceles triangle &#8211; side<\/p>\n<p>Question 10.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12407\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-107.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 107\" width=\"155\" height=\"128\" \/><br \/>\nAnswer:<br \/>\nEquiangular triangle-angles<br \/>\nEquilateral triangle &#8211; sides<\/p>\n<p>Question 11.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12408\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-108.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 108\" width=\"175\" height=\"125\" \/><br \/>\nAnswer:<br \/>\nAcute triangle-angle<br \/>\nIsosceles triangle-side<\/p>\n<p>Question 12.<br \/>\n<strong>Precision<\/strong><br \/>\nDraw an acute scalene triangle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12409\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-109.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 109\" width=\"248\" height=\"183\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22590\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Question-12.jpg\" alt=\"\" width=\"214\" height=\"163\" \/><\/p>\n<p>Question 13.<br \/>\nCan an obtuse triangle also be an equilateral triangle? Explain.<br \/>\nAnswer:<br \/>\nAn\u00a0equilateral triangle can\u00a0never be\u00a0obtuse. Since an\u00a0equilateral triangle\u00a0has equal sides and angles, each\u00a0angle\u00a0measures 60\u00b0, which is\u00a0acute.<br \/>\nTherefore, an\u00a0equilateral angle can\u00a0never be\u00a0obtuse-angled.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nClassify the large triangle on the shuffleboard court by its angles. Verify your answer by finding the measure of each angle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12410\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-110.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 110\" width=\"160\" height=\"259\" \/><br \/>\nThe triangle does not have a right angle or an obtuse angle.<br \/>\nSo, it is an _Acute__ triangle.<br \/>\nVerify: Use a protractor to find the measure of each angle.<br \/>\nThe measure of \u2220ABC is ___.<br \/>\nThe measure of \u2220BCA is ___.<br \/>\nThe measure of \u2220CAB is ___.<br \/>\nBecause each angle measure is less than 90\u00b0, you can conclude that the triangle is a ___ triangle.<br \/>\nAnswer:<br \/>\nAcute triangle<br \/>\nThe measure of \u2220CAB is 70\u00b0.<br \/>\nThe measure of \u2220BCA is 70\u00b0.<br \/>\nThe measure of \u2220ABC is 40\u00b0.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22591\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Example.jpg\" alt=\"\" width=\"369\" height=\"307\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Example.jpg 369w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Example-300x250.jpg 300w\" sizes=\"(max-width: 369px) 100vw, 369px\" \/><br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22592\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples.jpg\" alt=\"\" width=\"336\" height=\"345\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples.jpg 336w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples-292x300.jpg 292w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22593\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples2.jpg\" alt=\"\" width=\"428\" height=\"298\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples2.jpg 428w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Think-Grow-Examples2-300x209.jpg 300w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 14.<br \/>\nClassify the triangle in the clothes hanger by its angles. Verify your answer by finding the measure of each angle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12411\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-111.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 111\" width=\"195\" height=\"147\" \/><br \/>\nAnswer:<br \/>\nObtuse angle triangle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22595\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Show-Grow-Question-14.jpg\" alt=\"\" width=\"429\" height=\"321\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Show-Grow-Question-14.jpg 429w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Show-Grow-Question-14-300x224.jpg 300w\" sizes=\"(max-width: 429px) 100vw, 429px\" \/><\/p>\n<p>Question 15.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nIn the picture, the tree is perpendicular to the ground. Draw the triangle formed by the tree, the wire, and the ground. Classify the triangle by its angles. Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12412\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-112.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 112\" width=\"199\" height=\"169\" \/><br \/>\nAnswer:<br \/>\nIt is right angles triangle. As the angled formed here is 90\u00b0.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22594\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-4.3-Classify-Triangles-Angles-Show-Grow-Question-15.jpg\" alt=\"\" width=\"175\" height=\"161\" \/><\/p>\n<h3><a id=\"Classify_Triangles_by_Angles_Homework_&amp;_Practice_14.4\"><\/a>Classify Triangles by Angles Homework &amp; Practice 14.4<\/h3>\n<p>Classify the triangle by its angles.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12413\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-113.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 113\" width=\"117\" height=\"113\" \/><br \/>\nAnswer:<br \/>\nRight angle triangle<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12414\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-114.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 114\" width=\"175\" height=\"76\" \/><br \/>\nAnswer:<br \/>\nAcute triangle<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12415\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-115.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 115\" width=\"107\" height=\"136\" \/><br \/>\nAnswer:<br \/>\nAcute triangle<\/p>\n<p>Classify the triangle by its angles and its sides<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12416\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-116.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 116\" width=\"95\" height=\"94\" \/><br \/>\nAnswer:<br \/>\nEquiangular triangle-angles<br \/>\nEquilateral triangle &#8211; sides<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12417\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-117.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 117\" width=\"102\" height=\"112\" \/><br \/>\nAnswer:<br \/>\nAcute triangle- angles<br \/>\nScalene triangle-sides<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12418\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-118.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 118\" width=\"136\" height=\"111\" \/><br \/>\nAnswer:<br \/>\nObtuse triangle-angle<br \/>\nIsosceles triangle-side<\/p>\n<p>Question 7.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12419\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-119.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 119\" width=\"179\" height=\"151\" \/><br \/>\nAnswer:<br \/>\nRight angle triangle-angle<br \/>\nScalene triangle &#8211; side<\/p>\n<p>Question 8.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12420\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-120.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 120\" width=\"173\" height=\"144\" \/><br \/>\nAnswer:<br \/>\nEquiangular triangle-angles<br \/>\nEquilateral triangle &#8211; sides<\/p>\n<p>Question 9.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12421\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-121.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 121\" width=\"73\" height=\"97\" \/><br \/>\nAnswer:<br \/>\nAcute triangle &#8211; angles<br \/>\nIsosceles triangle &#8211; sides<\/p>\n<p>Question 10.<br \/>\n<strong>Precision<\/strong><br \/>\nDraw a right isosceles triangle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12422\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-122.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 122\" width=\"184\" height=\"142\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22596\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Classify\u2013Triangles-Angles-Homework-Practice-14.4-Question-10.jpg\" alt=\"\" width=\"155\" height=\"129\" \/><\/p>\n<p>Question 11.<br \/>\n<strong>Reasoning<\/strong><br \/>\nCan a triangle have more than one right angle? Explain.<br \/>\nAnswer:<br \/>\nNo a\u00a0triangle\u00a0cannot\u00a0have more than one right angle\u00a0as if there\u00a0are 2 right\u00a0angles the their sum\u00a0will\u00a0be 180\u00b0 and the third\u00a0angle will\u00a0exceed the sum.<br \/>\nTherefore the construction is not possible.<\/p>\n<p>Question 12.<br \/>\nWhich One Doesn\u2019t Belong? Which triangle does not belong with the other three?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12423\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-123.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 123\" width=\"316\" height=\"109\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-123.png 316w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-123-300x103.png 300w\" sizes=\"(max-width: 316px) 100vw, 316px\" \/><br \/>\nAnswer:<br \/>\nFigure 2<\/p>\n<p>Question 13.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nDraw \\(\\overline{B D}\\). Then classify each triangle by its angles and its sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12424\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-124.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 124\" width=\"144\" height=\"115\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22597\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Classify\u2013Triangles-Angles-Homework-Practice-14.4-Question-13.jpg\" alt=\"\" width=\"205\" height=\"189\" \/><br \/>\n\u25b3BAD and \u25b3BDC form Isosceles triangle and acute angle triangle.<\/p>\n<p>Question 14.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nClassify the face of the bird house by its angles. Verify your answer by finding the measure of each angle.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12425\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-125.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 125\" width=\"150\" height=\"121\" \/><br \/>\nAnswer:<br \/>\nIt is a Right angled triangle. As the angle formed is 90\u00b0.<\/p>\n<p>Question 15.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nA construction worker measures a triangle formed by the supports on a bridge. The angle measures are 120\u00b0, 36\u00b0, and 24\u00b0. The side lengths are 12.65 meters, 8.61 meters, and 5.91 meters. Classify the triangle by its angles and its sides.<br \/>\nAnswer:<br \/>\nIt is a Obtuse angle Triangle and Scalene Triangle (all different sides).<\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Add.<\/p>\n<p>Question 16.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12426\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-126.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 126\" width=\"135\" height=\"57\" \/><br \/>\nAnswer:<br \/>\n(14\/6)+(27\/6)=(14+27)\/6<br \/>\n=41\/6=6.833<\/p>\n<p>Question 17.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12427\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-127.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 127\" width=\"139\" height=\"66\" \/><br \/>\nAnswer:<br \/>\n=(51\/5)+(44\/5)=(51+44)\/5<br \/>\n=95\/5=19.<\/p>\n<p>Question 18.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12428\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-128.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 128\" width=\"186\" height=\"61\" \/><br \/>\nAnswer:<br \/>\n(35\/10)+(63\/10)+(6\/10)<br \/>\n=(35+63+6)\/10<br \/>\n=104\/10<br \/>\n=10.4<\/p>\n<h3><a id=\"Lesson_14.5_Classify_Quadrilaterals\"><\/a>Lesson 14.5 Classify Quadrilaterals<\/h3>\n<p><strong>Explore and Grow<\/strong><\/p>\n<p>Sort the quadrilaterals into two or more groups. Explain how you sorted the quadrilaterals.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12429\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-129.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 129\" width=\"569\" height=\"309\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-129.png 569w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-129-300x163.png 300w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/><br \/>\nAnswer:<br \/>\nG and A are Trapezoids &#8211; one pair of parallel lines.<br \/>\nE and H are rhombus &#8211; all sides equal.<br \/>\nC is a Rectangle parallelogram &#8211; 2 pairs of parallel sides and 4 right angles.<\/p>\n<p><strong>Precision<\/strong><br \/>\nYou draw a quadrilateral with four right angles. Your friend draws a quadrilateral with two pairs of parallel sides. Did you and your friend draw the same type of quadrilateral? Explain.<br \/>\nAnswer:<br \/>\nFigure can be drawn indifferent many ways. The figure can be Square , Rectangle as they too have with two pairs of parallel sides and four right angles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21788\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.5-Classify-Quadilaterals-Precision.jpg\" alt=\"\" width=\"234\" height=\"156\" \/><\/p>\n<p><strong>Think and Grow: Classify Quadrilaterals<\/strong><\/p>\n<p>Quadrilaterals can be classified by their angles and sides.<\/p>\n<p>A trapezoid is a quadrilateral that has exactly one pair of parallel sides.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12430\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-130.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 130\" width=\"113\" height=\"81\" \/><\/p>\n<p>A parallelogram is a quadrilateral that has two pairs of parallel sides. Opposite sides have the same length.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12431\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-131.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 131\" width=\"148\" height=\"71\" \/><\/p>\n<p>A rectangle is a parallelogram that has four right angles.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12432\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-132.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 132\" width=\"145\" height=\"87\" \/><br \/>\nA rhombus is a parallelogram that has four sides with the same length.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12433\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-133.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 133\" width=\"109\" height=\"94\" \/><br \/>\nA square is a parallelogram that has four right angles and four sides with the same length.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12434\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-134.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 134\" width=\"250\" height=\"254\" \/><br \/>\nAnswer:<br \/>\nNo square is not a rectangle because rectangle have only opposite sides equal. square cannot be rhombus because it does not have right angles.<\/p>\n<p><strong>Example<\/strong><br \/>\nClassify the quadrilateral in as many ways as possible.<br \/>\nThe quadrilateral has __ right angles,<br \/>\n___ pairs of parallel sides, and<br \/>\n___ pairs of opposite sides with the same length.<br \/>\nSo, it is a ___ and a ___.<br \/>\nAnswer:<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Classify the quadrilateral in as many ways as possible.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12435\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-135.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 135\" width=\"116\" height=\"105\" \/><br \/>\nAnswer:<br \/>\nIt is a Trapezoid<br \/>\nA trapezoid is a quadrilateral that has exactly one pair of parallel sides.<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12436\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-136.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 136\" width=\"107\" height=\"120\" \/><br \/>\nAnswer:<br \/>\nIt is a Rhombus<br \/>\nA rhombus is a parallelogram that has four sides with the same length.<\/p>\n<p><strong>Apply and Grow: Practice<\/strong><\/p>\n<p>Classify the quadrilateral in as many ways as possible.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12437\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-137.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 137\" width=\"87\" height=\"144\" \/><br \/>\nAnswer:<br \/>\nIt is a rectangle<br \/>\nA rectangle is a parallelogram that has four right angles.<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12438\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-138.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 138\" width=\"91\" height=\"161\" \/><br \/>\nAnswer:<br \/>\nIt is a trapezoid.<br \/>\nA trapezoid is a quadrilateral that has exactly one pair of parallel sides.<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12439\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-139.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 139\" width=\"183\" height=\"126\" \/><br \/>\nAnswer:<br \/>\nIt is a Square.<br \/>\nA square is a parallelogram that has four right angles and four sides with the same length.<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12440\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-140.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 140\" width=\"188\" height=\"185\" \/><br \/>\nAnswer:<br \/>\nIt is a parallelogram.<br \/>\nA parallelogram is a quadrilateral that has two pairs of parallel sides. Opposite sides have the same length.<\/p>\n<p>Question 7.<br \/>\nThe formula for the perimeter of a square with side length of s is P = 4 \u00d7 s. Can you use this formula to find the perimeter of any other type of quadrilateral? If so, name the type of quadrilateral.<br \/>\nAnswer:<br \/>\nIt can be used to find the perimeter of a Rhombus.<br \/>\nA rhombus is a parallelogram that has four sides with the same length.<\/p>\n<p>Question 8.<br \/>\n<strong>Structure<\/strong><br \/>\nHow many lines of symmetry can a parallelogram have?<br \/>\nAnswer:<br \/>\nlines of symmetry can a parallelogram have is 2.<\/p>\n<p>Question 9.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nWrite All, Some, or No for each statement<br \/>\n___ parallelograms are rectangles.<br \/>\n___ squares are rectangles.<br \/>\n___ trapezoids are parallelograms.<br \/>\n___ rectangles are squares.<br \/>\n___ trapezoids have four sides with the same length.<br \/>\nAnswer:<br \/>\n_Some__ parallelograms are rectangles.<br \/>\n_All__ squares are rectangles.<br \/>\n__No_ trapezoids are parallelograms.<br \/>\n__No_ rectangles are squares.<br \/>\n_No__ trapezoids have four sides with the same length.<\/p>\n<p><strong>Think and Grow: Modeling Real Life<\/strong><\/p>\n<p><strong>Example<\/strong><br \/>\nTwo artists each want to paint an identical half of a painting, like the one shown. Classify the shape of the painting in as many ways as possible. Then identify and show how many different ways the artists can divide the painting, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12441\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-141.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 141\" width=\"107\" height=\"149\" \/><br \/>\nClassify the shape of the painting in as many ways as possible.<br \/>\nThe painting has _4__ sides,<br \/>\n_2__ pairs of parallel sides,<br \/>\n_0__ right angles, and<br \/>\n_4__ sides with the same length.<br \/>\nSo, it is a Rhombus.<br \/>\nDetermine whether the painting has line symmetry. If so, find how many different ways the artists can divide the painting.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12442\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-142.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 142\" width=\"255\" height=\"198\" \/><br \/>\nThe rhombus-shaped painting has __ lines of symmetry.<br \/>\nSo, the artists can divide the painting __ different ways.<br \/>\nAnswer:<br \/>\nThe rhombus-shaped painting has _2_ lines of symmetry.<br \/>\nSo, the artists can divide the painting _2_ different ways.<\/p>\n<p><strong>Show and Grow<\/strong><\/p>\n<p>Question 10.<br \/>\nYou and your friend each want to share an identical half of the tabletop. Classify the shape of the tabletop in as many ways as possible. Then identify and show how many different ways you and your friend can divide the tabletop, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12443\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-143.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 143\" width=\"250\" height=\"142\" \/><br \/>\nAnswer:<br \/>\nThe given shape is a Trapezoid.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22550\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.5-Classify-Quadilaterals-Show-Grow-Question-10.jpg\" alt=\"\" width=\"275\" height=\"167\" \/><\/p>\n<p>Question 11.<br \/>\nA horse needs at least 4,046 square meters of pasture. Classify the shape of the pasture in as many ways as possible. Is the pasture large enough for the horse? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12444\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-144.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 144\" width=\"118\" height=\"116\" \/><br \/>\nAnswer:<br \/>\nThe side of the square = 64m<br \/>\nArea of the Square = side x side=64m x 64 m =4096sqmtrs.<br \/>\nArea required by horse = 4046 sqmtrs.<br \/>\nTherefore area of square is more than pasture of horse.<\/p>\n<h3><a id=\"Classify_Quadrilaterals_Homework_&amp;_Practice_14.5\"><\/a>Classify Quadrilaterals Homework &amp; Practice 14.5<\/h3>\n<p>Classify the quadrilateral in as many ways as possible.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12445\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-145.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 145\" width=\"95\" height=\"125\" \/><br \/>\nAnswer:<br \/>\nIt is a parallelogram<br \/>\nA parallelogram is a quadrilateral that has two pairs of parallel sides. Opposite sides have the same length.<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12446\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-146.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 146\" width=\"161\" height=\"98\" \/><br \/>\nAnswer:<br \/>\nIt is a Trapezoid.<br \/>\nA trapezoid is a quadrilateral that has exactly one pair of parallel sides.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12447\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-147.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 147\" width=\"99\" height=\"149\" \/><br \/>\nAnswer:<br \/>\nIt is a rhombus.<br \/>\nA rhombus is a parallelogram that has four sides with the same length.<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12448\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-148.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 148\" width=\"188\" height=\"119\" \/><br \/>\nAnswer:<br \/>\nIt is a Rectangle.<br \/>\nA rectangle is a parallelogram that has four right angles.<\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12449\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-149.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 149\" width=\"93\" height=\"167\" \/><br \/>\nAnswer:<br \/>\nIt is a Trapezoid.<br \/>\nA trapezoid is a quadrilateral that has exactly one pair of parallel sides.<\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12450\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-150.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 150\" width=\"118\" height=\"107\" \/><br \/>\nAnswer:<br \/>\nIt is a Square.<br \/>\nA square is a parallelogram that has four right angles and four sides with the same length.<\/p>\n<p>Question 7.<br \/>\n<strong>Structure<\/strong><br \/>\nYour friend sorts the shapes into two different groups. How do you think she sorted? Where does the shape below belong? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12468\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-151.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 151\" width=\"615\" height=\"234\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-151.png 615w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-151-300x114.png 300w\" sizes=\"(max-width: 615px) 100vw, 615px\" \/><br \/>\nAnswer:<br \/>\nThe above belong to the group 2 . The group 2 images have 2 pairs of sides equal.<\/p>\n<p>Question 8.<br \/>\n<strong>Reasoning<\/strong><br \/>\nAll of the sides of an equilateral triangle have the same length. Is an equilateral triangle a rhombus? Explain.<br \/>\nAnswer:<br \/>\nA Rhombus have all sides equal. 2 equilateral triangles form a rhombus.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22558\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.5-Classify-Quadilaterals-Homework-Practice-Question-8.jpg\" alt=\"\" width=\"130\" height=\"137\" \/><\/p>\n<p>Question 9.<br \/>\n<strong>DIG DEEPER!<\/strong><br \/>\nWithin the star, trace at least two different examples of trapezoids and parallelograms. Explain how you found each quadrilateral.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12469\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-152.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 152\" width=\"148\" height=\"148\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22561\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.5-Classify-Quadilaterals-Homework-Practice-Question-9.jpg\" alt=\"\" width=\"149\" height=\"162\" \/><br \/>\nA parallelogram is a quadrilateral that has two pairs of parallel sides. Opposite sides have the same length. BJGD and CAIF are two parallelograms.<br \/>\nA trapezoid is a quadrilateral that has exactly one pair of parallel sides. LEGJ and KLFI are two trapezoids.<\/p>\n<div>\n<div class=\"g\">\n<div class=\"rc\" data-hveid=\"CAMQAA\" data-ved=\"2ahUKEwjMlOTB_oTuAhWszjgGHdPaA-UQFSgAMAJ6BAgDEAA\">\n<div class=\"IsZvec\">\n<div><span class=\"aCOpRe\">A Quadilateral can be defined as a closed, two-dimensional shape which has four straight sides.<\/span><\/div>\n<\/div>\n<div id=\"eob_10\" data-ved=\"2ahUKEwjMlOTB_oTuAhWszjgGHdPaA-UQ2Z0BMAJ6BAgDEAo\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Question 10.<br \/>\n<strong>Modeling Real Life<\/strong><br \/>\nYou and your friend each want to share an identical half of the whiteboard shown. Classify the shape of the whiteboard in as many ways as possible. Then identify and show how many different ways you and your friend can divide the whiteboard, if any.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12470\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answers-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-153.png\" alt=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 153\" width=\"171\" height=\"105\" \/><br \/>\nAnswer:<br \/>\nThe image is divided into four identical parts with two lines of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22562\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-14.5-Classify-Quadilaterals-Homework-Practice-Question-10.jpg\" alt=\"\" width=\"296\" height=\"197\" \/><\/p>\n<p><strong>Review &amp; Refresh<\/strong><\/p>\n<p>Question 11.<br \/>\nWrite \\(\\frac{7}{10}\\) as hundredths in fraction form and decimal form.<br \/>\nAnswer:<br \/>\n7\/10=0.7<\/p>\n<p>Question 12.<br \/>\nWrite \\(\\frac{50}{100}\\) as tenths in fraction form and decimal form.<br \/>\nAnswer:<br \/>\n50\/100=0.5<\/p>\n<h3><a id=\"Identify_Symmetry_and_Two-Dimensional_Shapes_Performance_Task_14\"><\/a>Identify Symmetry and Two-Dimensional Shapes Performance Task 14<\/h3>\n<p>Roof trusses are wooden structures that support the roof of a building. They come in many different shapes and sizes.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12471\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-154.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 154\" width=\"260\" height=\"78\" \/><br \/>\n1. The truss has exactly one pair of parallel sides.<br \/>\na. What polygon describes the shape of the truss?<br \/>\nAnswer:\u00a0 \u00a0ABCD.<br \/>\nb. Does the truss have line symmetry? Explain.<br \/>\nAnswer:<br \/>\nThe line of symmetry divide the given truss into identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22566\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-1-2.jpg\" alt=\"\" width=\"224\" height=\"140\" \/><br \/>\nc. Name an acute angle, a right angle, and an obtuse angle.<br \/>\nAnswer:<br \/>\nRight angle = \u2220AED<br \/>\nAcute angle =\u2220DAE.<br \/>\nObtuse angle =\u2220ABC.<br \/>\nd. Name a ray.<br \/>\nAnswer: AD.<\/p>\n<p>Question 2.<br \/>\nMost trusses are built in the shape of a triangle.<br \/>\na. Classify each triangle by its sides. Identify any lines of symmetry.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12472\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-156.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 156\" width=\"681\" height=\"115\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-156.png 681w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-156-300x51.png 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22567\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-2.jpg\" alt=\"\" width=\"602\" height=\"100\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-2.jpg 602w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-2-300x50.jpg 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><br \/>\nb. Why do you think roof trusses come in different shapes and sizes?<br \/>\nAnswer:<br \/>\nRoof trusses come in all shapes and sizes depending on your build project.<\/p>\n<p>Question 3.<br \/>\nYou see a truss in the shape of an obtuse isosceles triangle. The perimeter of the triangle is 36 feet. The length of the side opposite the obtuse angle is 16 feet. What are the lengths of the other two sides?<br \/>\nAnswer:<br \/>\nAn Isosceles triangle have 2 sides equal.<br \/>\nside of Isosceles triangle=16 feet.<br \/>\nPerimeter of isosceles triangle = s1+s2+s3. = s+s+16<br \/>\n36 feet =2s +16<br \/>\n2s=36-16<br \/>\n2s=20<br \/>\ns=10feet.<br \/>\nThe other two sides lengths are 10 feet each.<\/p>\n<p>Question 4.<br \/>\nDraw a triangular roof truss that has line symmetry. Include a few support lines inside the truss. Classify your triangle by its sides. What types of angles are on the inside of the truss?<br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22569\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-4.jpg\" alt=\"\" width=\"332\" height=\"156\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-4.jpg 332w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Performance-Tasks-14-Question-4-300x141.jpg 300w\" sizes=\"(max-width: 332px) 100vw, 332px\" \/><br \/>\n\u25b3ABF\u00a0 = Isosceles triangle.<br \/>\n\u25b3BFC= Scalene Triangle.<br \/>\n\u25b3FEC = Isosceles Triangle.<br \/>\n\u25b3EDC=Scalene Triangle.<\/p>\n<h3><a id=\"Identify_Symmetry_and_Two-Dimensional_Shapes_Activity\"><\/a>Identify Symmetry and Two-Dimensional Shapes Activity<\/h3>\n<p><strong>Pyramid Climb and Slide<\/strong><\/p>\n<p><strong>Directions:<\/strong><br \/>\n1. Players take turns spinning the spinner.<br \/>\n2. On your turn, move your counter to the next triangle that best matches your spin.<br \/>\n3. If you land at the bottom of a ladder, climb to the top of the ladder. If you land at the top of a slide, slide down to the bottom of the slide.<br \/>\n4. The first player to reach the top of the pyramid wins!<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12473\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-157.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 157\" width=\"611\" height=\"614\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-157.png 611w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-157-300x300.png 300w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-157-150x150.png 150w\" sizes=\"(max-width: 611px) 100vw, 611px\" \/><br \/>\nAnswer:<\/p>\n<h3><a id=\"Identify_Symmetry_and_Two-Dimensional_Shapes_Chapter_Practice\"><\/a>Identify Symmetry and Two-Dimensional Shapes Chapter Practice<\/h3>\n<p><strong>14.1 Line Symmetry<\/strong><\/p>\n<p>Determine whether the line is a line of symmetry.<\/p>\n<p>Question 1.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12474\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-158.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 158\" width=\"82\" height=\"108\" \/><br \/>\nAnswer:<br \/>\nYes it is a line of Symmetry .It divides the given shape into two identical halves.<\/p>\n<p>Question 2.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12475\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-159.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 159\" width=\"97\" height=\"84\" \/><br \/>\nAnswer:<br \/>\nNo, it is not a line of symmetry it doesnot divide the given shape into two identical halves.<\/p>\n<p>Question 3.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12476\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-160.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 160\" width=\"101\" height=\"82\" \/><br \/>\nAnswer:<br \/>\nYes it is a line of Symmetry .It divides the given shape into two identical halves.<\/p>\n<p>Determine whether the shape has line symmetry. Draw each line of symmetry.<\/p>\n<p>Question 4.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12477\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-161.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 161\" width=\"69\" height=\"78\" \/><br \/>\nAnswer:<br \/>\nYes it is a line of Symmetry .It divides the given shape into two identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21789\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.1-Line-Symmetry-Question-4.jpg\" alt=\"\" width=\"135\" height=\"97\" \/><\/p>\n<p>Question 5.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12478\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-162.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 162\" width=\"80\" height=\"73\" \/><br \/>\nAnswer:<br \/>\nYes it is a line of Symmetry .It divides the given shape into two identical halves.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21790\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.1-Line-Symmetry-Question-5.jpg\" alt=\"\" width=\"82\" height=\"106\" \/><\/p>\n<p>Question 6.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12479\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-163.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 163\" width=\"89\" height=\"79\" \/><br \/>\nAnswer:<br \/>\nNo, It doesnot divides the given shape into two identical halves.<\/p>\n<p>Question 7.<br \/>\nModeling Real Life<br \/>\nDivide the parking lot shown into multiple sections using each of its lines of symmetry. When there are 4 cars in each section, how many cars are in the parking lot?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12480\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-164.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 164\" width=\"189\" height=\"105\" \/><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21791\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.1-Line-Symmetry-Question-7.jpg\" alt=\"\" width=\"293\" height=\"189\" \/><br \/>\nAnswer:<br \/>\nNumber of sections=4<br \/>\nNumber of car parking slots in each section=4.<br \/>\nTotal car parking slots in all sections = 4 x 4 =16 cars.<\/p>\n<h3>14.2 Draw Symmetric Shapes<\/h3>\n<p>Question 8.<br \/>\nOne half of a shape and a line of symmetry are shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12481\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-165.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 165\" width=\"253\" height=\"132\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21792\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Question-8.jpg\" alt=\"\" width=\"226\" height=\"145\" \/><\/p>\n<p>Question 9.<br \/>\nOne half of a symmetric shape is shown. Draw the rest of the shape.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12482\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-166.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 166\" width=\"194\" height=\"155\" \/><br \/>\nAnswer:<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-21793\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-Chapter-Practice-14.2-Draw-Symmetric-Shapes-Question-9.jpg\" alt=\"\" width=\"187\" height=\"158\" \/><\/p>\n<h3>14.3 Classify Triangles by Sides<\/h3>\n<p>Classify the triangles by its sides.<\/p>\n<p>Question 10.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12483\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-167.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 167\" width=\"179\" height=\"74\" \/><br \/>\nAnswer:<br \/>\nScalene triangle<\/p>\n<p>Question 11.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12484\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-168.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 168\" width=\"110\" height=\"102\" \/><br \/>\nAnswer:<br \/>\nEquilateral triangle<\/p>\n<p>Question 12.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12485\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-169.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 169\" width=\"102\" height=\"106\" \/><br \/>\nAnswer:<br \/>\nIsosceles triangle<\/p>\n<h3>14.4 Classify Triangles by Angles<\/h3>\n<p>Classify the triangle by its angles and its sides.<\/p>\n<p>Question 13.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12486\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-170.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 170\" width=\"100\" height=\"94\" \/><br \/>\nAnswer:<br \/>\nEquiangular -Angles<br \/>\nEquilateral-Sides<\/p>\n<p>Question 14.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12487\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-171.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 171\" width=\"101\" height=\"99\" \/><br \/>\nAnswer:<br \/>\nObtuse triangle -Angle<br \/>\nIsosceles triangle- Sides<\/p>\n<p>Question 15.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12488\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-172.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 172\" width=\"81\" height=\"116\" \/><br \/>\nAnswer:<br \/>\nRight angled Triangle-Angle<br \/>\nScalene Triangle-Sides.<\/p>\n<p>Question 16.<br \/>\nWhich One Doesn&#8217;t Belong?<br \/>\nWhich triangle does not belong with the other three? Explain.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12489\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-173.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 173\" width=\"496\" height=\"81\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-173.png 496w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-173-300x49.png 300w\" sizes=\"(max-width: 496px) 100vw, 496px\" \/><br \/>\nAnswer:<br \/>\nFirst triangle is obtuse angle triangle. where other 3 triangles are acute triangles.<\/p>\n<h3>14.5 Classify Quadrilaterals<\/h3>\n<p>Classify the quadrilateral in as many ways as possible<\/p>\n<p>Question 17.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12490\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-174.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 174\" width=\"118\" height=\"116\" \/><br \/>\nAnswer:<br \/>\nIt is parallelogram.<br \/>\nA parallelogram is a quadrilateral that has two pairs of parallel sides. Opposite sides have the same length.<\/p>\n<p>Question 18.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12491\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-175.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 175\" width=\"108\" height=\"104\" \/><br \/>\nAnswer:<br \/>\nIt is a Square.<br \/>\nA square is a parallelogram that has four right angles and four sides with the same length.<\/p>\n<h3><a id=\"Identify_Symmetry_and_Two-Dimensional_Shapes_Cumulative_Practice_1-14\"><\/a>Identify Symmetry and Two-Dimensional Shapes Cumulative Practice 1-14<\/h3>\n<p>Question 1.<br \/>\nWhat is the difference of 10 and 4\\(\\frac{7}{8}\\) ?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12492\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-176.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 176\" width=\"629\" height=\"61\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-176.png 629w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-176-300x29.png 300w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><br \/>\nAnswer:<br \/>\nC &#8211; 5(1\/8)<\/p>\n<p>Question 2.<br \/>\nWhich letters have at least one line of symmetry?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12493\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-177.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 177\" width=\"461\" height=\"98\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-177.png 461w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-177-300x64.png 300w\" sizes=\"(max-width: 461px) 100vw, 461px\" \/><br \/>\nAnswer:<br \/>\nW,Z AND H<\/p>\n<p>Question 3.<br \/>\nThe table shows the amount of rain that falls in each city in 1 day. Which city has more rainfall than Detroit and less rainfall than Seattle?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12494\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-178.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 178\" width=\"228\" height=\"227\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-178.png 228w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-178-150x150.png 150w\" sizes=\"(max-width: 228px) 100vw, 228px\" \/><br \/>\nAnswer:<br \/>\nChicago &#8211; 0.72<\/p>\n<p>Question 4.<br \/>\nWhich shapes have four sides with the same length?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12495\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-179.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 179\" width=\"560\" height=\"92\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-179.png 560w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-179-300x49.png 300w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><br \/>\nAnswer:<br \/>\nRhombus and Square.<\/p>\n<p>Question 5.<br \/>\nA movie starts at 2:55 P.M. and ends at 4:45 P.M. How long was the movie?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12496\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-180.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 180\" width=\"559\" height=\"100\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-180.png 559w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-180-300x54.png 300w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><br \/>\nAnswer:<br \/>\n1 Hour 50 Mins<\/p>\n<p>Question 6.<br \/>\nWhich are equivalent to \\(3 \\times \\frac{5}{6}\\) ?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12497\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-181.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 181\" width=\"473\" height=\"136\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-181.png 473w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-181-300x86.png 300w\" sizes=\"(max-width: 473px) 100vw, 473px\" \/><br \/>\nAnswer:<br \/>\nExpect 8\/6 all the options are equal to \\(3 \\times \\frac{5}{6}\\) .<\/p>\n<p>Question 7.<br \/>\nThe rectangle has a perimeter of 48 centimeters. What is the width of the rectangle?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12498\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-182.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 182\" width=\"656\" height=\"113\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-182.png 656w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-182-300x52.png 300w\" sizes=\"(max-width: 656px) 100vw, 656px\" \/><br \/>\nAnswer:<br \/>\nPerimeter of Rectangle = width + length.<br \/>\n48 = w + 15.<br \/>\nw=48-15<br \/>\nw=33cms.<\/p>\n<p>Question 8.<br \/>\nWhich two lines appear to be parallel?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12499\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-183.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 183\" width=\"475\" height=\"299\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-183.png 475w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-183-300x189.png 300w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/><br \/>\nAnswer:<br \/>\nOption A.<\/p>\n<p>Question 9.<br \/>\nYour friend draws a triangle with side lengths of 10 centimeters,12 centimeters, and 10 centimeters. What type of triangle did your friend draw?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12500\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-184.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 184\" width=\"464\" height=\"103\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-184.png 464w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-184-300x67.png 300w\" sizes=\"(max-width: 464px) 100vw, 464px\" \/><br \/>\nAnswer:<br \/>\nIt is a Isosceles Triangle. It has 2 sides equal.<\/p>\n<p>Question 10.<br \/>\nWhat is the quotient of 846 and 3?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12501\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-185.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 185\" width=\"432\" height=\"85\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-185.png 432w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-185-300x59.png 300w\" sizes=\"(max-width: 432px) 100vw, 432px\" \/><br \/>\nAnswer:<br \/>\n282<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22572\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-10.jpg\" alt=\"\" width=\"165\" height=\"374\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-10.jpg 165w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-10-132x300.jpg 132w\" sizes=\"(max-width: 165px) 100vw, 165px\" \/><\/p>\n<p>Question 11.<br \/>\nWhich rectangular dimensions have an area of 3,600 square miles?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12502\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-186.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 186\" width=\"631\" height=\"103\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-186.png 631w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-186-300x49.png 300w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/><br \/>\nAnswer:<br \/>\n72 miles long and 50 miles wide.<\/p>\n<p>Question 12.<br \/>\nThe angle measures of a triangle are 57\u00b0, 60\u00b0, and 63\u00b0. How can you classify the triangle?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12503\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-187.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 187\" width=\"440\" height=\"100\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-187.png 440w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-187-300x68.png 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><br \/>\nAnswer:<br \/>\nAn\u00a0acute-angled triangle\u00a0is a type of\u00a0triangle\u00a0in which all the three internal\u00a0angles\u00a0of the\u00a0triangle\u00a0are\u00a0acute, that is, they measure less than 90\u00b0.<\/p>\n<p>Question 13.<br \/>\nNewton is walking on Path X that continues straight ahead. He turns onto Path Y.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12504\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-188.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 188\" width=\"346\" height=\"137\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-188.png 346w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-188-300x119.png 300w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><br \/>\nUsing a protractor, which statement is true about \u2220FGH<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12505\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-189.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 189\" width=\"617\" height=\"125\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-189.png 617w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-189-300x61.png 300w\" sizes=\"(max-width: 617px) 100vw, 617px\" \/><br \/>\nAnswer:<br \/>\nThe angle is 45\u00b0, and is acute.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22575\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-13.jpg\" alt=\"\" width=\"527\" height=\"272\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-13.jpg 527w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Cumulative-Practice-1-14-Question-13-300x155.jpg 300w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/><\/p>\n<p>Question 14.<br \/>\nYou jump 3\\(\\frac{1}{2}\\) feet. How far do you jump in inches?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12506\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-190.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 190\" width=\"83\" height=\"63\" \/><br \/>\nAnswer:<br \/>\n3(1\/2)=7\/2=3.5feet.<\/p>\n<p>Question 15.<br \/>\nWhich of the following shows \\(\\overrightarrow{D E}\\) ?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12507\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-191.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 191\" width=\"490\" height=\"189\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-191.png 490w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-191-300x116.png 300w\" sizes=\"(max-width: 490px) 100vw, 490px\" \/><br \/>\nAnswer:<br \/>\nOption DE.<\/p>\n<p>Question 16.<br \/>\nA rectangular backyard has a perimeter of 280 feet. The length of the backyard is 75 feet. What is the area of the backyard?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12508\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-192.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 192\" width=\"485\" height=\"96\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-192.png 485w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-192-300x59.png 300w\" sizes=\"(max-width: 485px) 100vw, 485px\" \/><br \/>\nAnswer:<br \/>\nThe perimeter of the backyard =280 feet.<br \/>\nlength of the backyard =75 feet<br \/>\nThe breadth of the backyard = b feet.<br \/>\n280=75 + b<br \/>\nb=280-75<br \/>\nb=205.<br \/>\nArea of the backyard= l x b.<br \/>\nArea = 205 x 75.<br \/>\nArea=15375 sq feet.<\/p>\n<p>Question 17.<br \/>\nYour friend makes a banner by taping the edges of 10 pieces of paper together. Each piece of paper is 28 centimeters long and 22 centimeters wide.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12509\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-193.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 193\" width=\"545\" height=\"97\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-193.png 545w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-193-300x53.png 300w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><br \/>\n<strong>Part A<\/strong> What is the length of the entire banner? Explain.<br \/>\nAnswer:<br \/>\n28 centimeters long and 22 centimeters wide. As the tapping is done for the edges only.<br \/>\n<strong>Part B<\/strong> Your friend wants to place ribbon along the outside of the entire banner. How much ribbon will she need?<br \/>\nAnswer:<br \/>\nPerimeter = length + breadth.<br \/>\nP= 28 + 22= 50 cms.<\/p>\n<h3><a id=\"Identify_Symmetry_and_Two-Dimensional_Shapes_Steam_Performance_Task_1-14\"><\/a>Identify Symmetry and Two-Dimensional Shapes Steam Performance Task 1-14<\/h3>\n<p>In computer graphic design, polygons are connected at the vertices and edges to create a two-dimensional image that appears three-dimensional. This is called polygon mesh.<br \/>\n1. The elephant graphic is made from different polygons. Do the polygons have the same number of sides? Why do you think that is?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12510\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-194.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 194\" width=\"214\" height=\"198\" \/><br \/>\n2. Use the quadrilateral shown from the elephant graphic.<br \/>\na. Exactly one pair of sides are parallel. Classify the quadrilateral.<br \/>\nAnswer:<br \/>\nIt is a Trapezoid.<br \/>\nb. Which two lines are parallel?<br \/>\nAnswer:<br \/>\nBC ll AD.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12511\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-195.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 195\" width=\"180\" height=\"105\" \/><br \/>\nc. Which angles are acute?<br \/>\nAnswer:<br \/>\n<b>\u2220<\/b>ADC.<br \/>\nd. The perimeter is 22 millimeters. Find the missing side lengths.<br \/>\nAnswer:<br \/>\nPerimeter = 22 mm.<br \/>\nP= x +3 + x + 9 mm.<br \/>\n22= 2x + 12.<br \/>\n2x=10.<br \/>\nx=5 mm.<\/p>\n<p>Question 3.<br \/>\nThere are many different triangles in the elephant graphic. Use the side lengths and angle measures to classify two of the triangles. Trace your triangles in the elephant graphic<br \/>\nAnswer:<\/p>\n<p>Question 4.<br \/>\nIn a polygon mesh, each polygon is shaded differently to make the object appear more three-dimensional. In the drawing, two polygons still need to be shaded. Which one should be darker, the triangle or the quadrilateral? Why?<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12456\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-600.png\" alt=\"Big Ideas Math Answer Key Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 600\" width=\"138\" height=\"201\" \/><br \/>\nAnswer:<br \/>\nOne should be darker is the triangle.A Triangle is a polygon with three edges and three vertices.<\/p>\n<p>Question 5.<br \/>\nTriangle mesh is when a three-dimensional design is created using only triangles. The triangle mesh design below has line symmetry.<br \/>\na. Use the line of symmetry to finish the design.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-12512\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-196.png\" alt=\"Big Ideas Math Solutions Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes 196\" width=\"528\" height=\"423\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-196.png 528w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Solutions-Grade-4-Chapter-14-Identify-Symmetry-and-Two-Dimensional-Shapes-196-300x240.png 300w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/><br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-22576\" src=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Steam-Performance-Task-1-14-Question-5-a.jpg\" alt=\"\" width=\"515\" height=\"407\" srcset=\"https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Steam-Performance-Task-1-14-Question-5-a.jpg 515w, https:\/\/ccssanswers.com\/wp-content\/uploads\/2020\/12\/Big-Ideas-Math-Answer-Key-Grade-4-Chapter-14-Identify-Symmetry-Two-Dimensional-Shapes-\u2013Steam-Performance-Task-1-14-Question-5-a-300x237.jpg 300w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><br \/>\nb. Name two types of triangles you see in the design. Trace your triangles above. Explain.<br \/>\nAnswer:<br \/>\n\u2206 DFE is Isosceles triangle.<br \/>\n\u2206 ABC is Scalene triangle.<\/p>\n<p>Question 6.<br \/>\nUse the Internet or some other resource to find out more about polygon mesh and how it is used in graphic design. Write one thing that you learn.<br \/>\nAnswer:<br \/>\nA polygon mesh\u00a0is\u00a0a\u00a0collection of vertices, edges and faces that defines the shape of\u00a0a\u00a0polyhedral object.<br \/>\nIn graphic design, it is used to make up a 3D object, 3D animated film, advertising, or video games.<br \/>\nWe learn in making different animated pictures, videos.<\/p>\n<p><em>Conclusion:<\/em><\/p>\n<p>Enhance your performance by practicing the problems from Big Ideas Math Grade 4 Solution Key Chapter 14 Identify Symmetry and Two-Dimensional Shapes. Understand the concepts of symmetry and 2-D shapes and apply them to the real-time problems. Solving the problems of math is fun. Enjoy it by solving the questions given at the end of the chapter. So that you can know at which topic who were lagging. We are here to clarify your doubts. For any doubts, you can post the comments in the below section.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understand the concept of Two-Dimensional Shapes with the help of Big Ideas Math Grade 4 Answer Key Chapter 14. The lesson Identify Symmetry and Two-Dimensional Shapes involves line symmetry, symmetric shapes, Classify Quadrilaterals, Classify Triangles, and so on. We have provided a clear cut explanation for all the questions topic wise. Thus Download Big Ideas &#8230; <a title=\"Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes\" class=\"read-more\" href=\"https:\/\/ccssanswers.com\/big-ideas-math-answers-grade-4-chapter-14\/\" aria-label=\"More on Big Ideas Math Answers Grade 4 Chapter 14 Identify Symmetry and Two-Dimensional Shapes\">Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/12295"}],"collection":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/comments?post=12295"}],"version-history":[{"count":1,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/12295\/revisions"}],"predecessor-version":[{"id":138634,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/posts\/12295\/revisions\/138634"}],"wp:attachment":[{"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/media?parent=12295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/categories?post=12295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccssanswers.com\/wp-json\/wp\/v2\/tags?post=12295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}