{"id":136,"date":"2021-01-21T19:26:28","date_gmt":"2021-01-22T00:26:28","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/math021\/chapter\/shapes\/"},"modified":"2025-01-22T13:11:12","modified_gmt":"2025-01-22T18:11:12","slug":"shapes","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/math021\/chapter\/shapes\/","title":{"raw":"Topic C: Shapes","rendered":"Topic C: Shapes"},"content":{"raw":"<h1>Circle<\/h1>\nThe circle is a shape we all know.\n\n<img class=\"aligncenter wp-image-118 size-full\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles.png\" alt=\"a medium size red circle, a small yellow circle, a big blue circle\" width=\"817\" height=\"381\">\n\nThese objects suggest the idea of a circle:\n<ul>\n \t<li>rim of coffee cups and glasses<\/li>\n \t<li>top of lamp shades top of cans of food<\/li>\n \t<li>compact discs<\/li>\n \t<li>the ends of pipes and hoses (called the cross-section)<\/li>\n \t<li>the coloured part of your eye (the iris)<\/li>\n<\/ul>\nAdd some examples of your own.\n<h1>Triangle<\/h1>\nA <strong>triangle <\/strong>is a three-sided shape. Triangles have <strong>three sides <\/strong>and <strong>three angles<\/strong>.<img class=\"aligncenter wp-image-119 size-full\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris.png\" alt=\"three different sized triangles in different colours\" width=\"705\" height=\"325\">\n\nDraw some different sized triangles here.\n<h1>Rectangle<\/h1>\nA <strong>rectangle <\/strong>is a four-sided shape. Rectangles have four sides and four <strong>right <\/strong>angles (square corners).\n\n<img class=\"aligncenter size-full wp-image-120\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs.png\" alt=\"three different sized rectangles in different colours\" width=\"665\" height=\"368\">\n\nCan you think of anything that has a rectangle shape? Write it here.\n<h1>Square<\/h1>\nA <strong>square <\/strong>is a special kind of rectangle. Squares have square corners and all four sides are the same length.<img class=\"aligncenter size-full wp-image-121\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares.png\" alt=\"three different sized circles in different colours \" width=\"598\" height=\"243\">\n\nCan you think of anything that has a square shape? Write it here.\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 1<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nThe following things give the idea of a shape. Write the name of the shape in each blank. Then draw the shape.\n\n<strong>Example:\u00a0<\/strong>\n\nA cookie is a <span style=\"text-decoration: underline\">circle<\/span>.<img class=\"size-full wp-image-122 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/ex1cc-e1622065124590.png\" alt=\"a circle\" width=\"101\" height=\"101\">\n<ol type=\"a\">\n \t<li>A door is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>This page is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A yield sign is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A room is usually a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A coin is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A ten dollar bill is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>The rim of a jar is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>This warning sign is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<img class=\"size-full wp-image-123 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/ws.jpg\" alt=\"a warning sign with three sides and three angles\" width=\"91\" height=\"80\"><\/li>\n \t<li>A pizza is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<\/ol>\n<strong>Answers to Exercise 1<\/strong>\n<ol class=\"threecolumn\" type=\"a\">\n \t<li>rectangle<\/li>\n \t<li>rectangle<\/li>\n \t<li>triangle<\/li>\n \t<li>rectangle<\/li>\n \t<li>circle<\/li>\n \t<li>rectangle<\/li>\n \t<li>circle<\/li>\n \t<li>triangle<\/li>\n \t<li>circle<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 2<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nLook around the room and find each of the following shapes. Write the name on the line. Have your instructor check your answers.\n\n<strong>Example:<\/strong>\n\nA rectangle <span style=\"text-decoration: underline\">door.<\/span>\n<ol type=\"a\">\n \t<li>A circle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A rectangle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A square <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n \t<li>A triangle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 3<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nCircle the correct shape in each line. Have your instructor check your answers.\n<ol type=\"a\">\n \t<li>A rectangle\n<img class=\"aligncenter size-full wp-image-124\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a.png\" alt=\"a circle, a rectangle, a square, a triangle\" width=\"598\" height=\"138\"><\/li>\n \t<li>A circle<img class=\"aligncenter size-full wp-image-125\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b.png\" alt=\" a square, a triangle, a rectangle, a circle\" width=\"580\" height=\"150\"><\/li>\n \t<li>A square<img class=\"aligncenter size-full wp-image-126\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c.png\" alt=\"a rectangle, a circle, a square, a triangle\" width=\"516\" height=\"159\"><\/li>\n \t<li>A triangle<img class=\"aligncenter size-full wp-image-127\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d.png\" alt=\"a triangle, a square, a circle, a rectangle\" width=\"571\" height=\"120\"><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 4<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nWhat shape are the following things? Write <strong>triangle, square, rectangle or circle<\/strong>.\n<ol class=\"twocolumn\" type=\"a\">\n \t<li><img class=\"aligncenter wp-image-128\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4a-e1622223160861.png\" alt=\"a round clock\" width=\"200\" height=\"195\"><\/li>\n \t<li><img class=\"aligncenter wp-image-290\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4b.png\" alt=\"a pine tree\" width=\"200\" height=\"188\"><\/li>\n \t<li><img class=\"aligncenter wp-image-130\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4c-e1622223134648.png\" alt=\"a cell phone\" width=\"200\" height=\"171\"><\/li>\n \t<li><img class=\"aligncenter wp-image-131\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4d-e1622223211242.png\" alt=\"a chess board\" width=\"200\" height=\"195\"><\/li>\n \t<li><img class=\"aligncenter wp-image-132\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680.png\" alt=\"a photograph of a house\" width=\"200\" height=\"164\"><\/li>\n \t<li><img class=\"aligncenter wp-image-133\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4f-e1622223280809.png\" alt=\"a bowl\" width=\"200\" height=\"152\"><\/li>\n \t<li><img class=\"aligncenter wp-image-134\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4g-e1622223323303.png\" alt=\"a frying pan with 4 corners and 4 equal sides\" width=\"200\" height=\"113\"><\/li>\n \t<li><img class=\"aligncenter wp-image-135\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4h-e1622223356377.png\" alt=\"the Canadian flag\" width=\"200\" height=\"137\"><\/li>\n<\/ol>\n<strong>Answers to Exercise 4<\/strong>\n<ol class=\"twocolumn\" type=\"a\">\n \t<li>circle<\/li>\n \t<li>triangle<\/li>\n \t<li>rectangle<\/li>\n \t<li>square<\/li>\n \t<li>rectangle or triangle<\/li>\n \t<li>circle<\/li>\n \t<li>square<\/li>\n \t<li>rectangle<\/li>\n<\/ol>\n<\/div>\n<\/div>","rendered":"<h1>Circle<\/h1>\n<p>The circle is a shape we all know.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-118 size-full\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles.png\" alt=\"a medium size red circle, a small yellow circle, a big blue circle\" width=\"817\" height=\"381\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles.png 817w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles-300x140.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles-768x358.png 768w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles-65x30.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles-225x105.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2021\/01\/circles-350x163.png 350w\" sizes=\"auto, (max-width: 817px) 100vw, 817px\" \/><\/p>\n<p>These objects suggest the idea of a circle:<\/p>\n<ul>\n<li>rim of coffee cups and glasses<\/li>\n<li>top of lamp shades top of cans of food<\/li>\n<li>compact discs<\/li>\n<li>the ends of pipes and hoses (called the cross-section)<\/li>\n<li>the coloured part of your eye (the iris)<\/li>\n<\/ul>\n<p>Add some examples of your own.<\/p>\n<h1>Triangle<\/h1>\n<p>A <strong>triangle <\/strong>is a three-sided shape. Triangles have <strong>three sides <\/strong>and <strong>three angles<\/strong>.<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-119 size-full\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris.png\" alt=\"three different sized triangles in different colours\" width=\"705\" height=\"325\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris.png 705w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris-300x138.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris-65x30.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris-225x104.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/tris-350x161.png 350w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/><\/p>\n<p>Draw some different sized triangles here.<\/p>\n<h1>Rectangle<\/h1>\n<p>A <strong>rectangle <\/strong>is a four-sided shape. Rectangles have four sides and four <strong>right <\/strong>angles (square corners).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-120\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs.png\" alt=\"three different sized rectangles in different colours\" width=\"665\" height=\"368\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs.png 665w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs-300x166.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs-65x36.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs-225x125.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/recs-350x194.png 350w\" sizes=\"auto, (max-width: 665px) 100vw, 665px\" \/><\/p>\n<p>Can you think of anything that has a rectangle shape? Write it here.<\/p>\n<h1>Square<\/h1>\n<p>A <strong>square <\/strong>is a special kind of rectangle. Squares have square corners and all four sides are the same length.<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-121\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares.png\" alt=\"three different sized circles in different colours\" width=\"598\" height=\"243\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares.png 598w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares-300x122.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares-65x26.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares-225x91.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/squares-350x142.png 350w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/p>\n<p>Can you think of anything that has a square shape? Write it here.<\/p>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 1<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>The following things give the idea of a shape. Write the name of the shape in each blank. Then draw the shape.<\/p>\n<p><strong>Example:\u00a0<\/strong><\/p>\n<p>A cookie is a <span style=\"text-decoration: underline\">circle<\/span>.<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-122 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/ex1cc-e1622065124590.png\" alt=\"a circle\" width=\"101\" height=\"101\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/ex1cc-e1622065124590.png 101w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/ex1cc-e1622065124590-65x65.png 65w\" sizes=\"auto, (max-width: 101px) 100vw, 101px\" \/><\/p>\n<ol type=\"a\">\n<li>A door is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>This page is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A yield sign is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A room is usually a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A coin is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A ten dollar bill is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>The rim of a jar is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>This warning sign is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-123 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/ws.jpg\" alt=\"a warning sign with three sides and three angles\" width=\"91\" height=\"80\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/ws.jpg 91w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/ws-65x57.jpg 65w\" sizes=\"auto, (max-width: 91px) 100vw, 91px\" \/><\/li>\n<li>A pizza is a <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<\/ol>\n<p><strong>Answers to Exercise 1<\/strong><\/p>\n<ol class=\"threecolumn\" type=\"a\">\n<li>rectangle<\/li>\n<li>rectangle<\/li>\n<li>triangle<\/li>\n<li>rectangle<\/li>\n<li>circle<\/li>\n<li>rectangle<\/li>\n<li>circle<\/li>\n<li>triangle<\/li>\n<li>circle<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 2<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>Look around the room and find each of the following shapes. Write the name on the line. Have your instructor check your answers.<\/p>\n<p><strong>Example:<\/strong><\/p>\n<p>A rectangle <span style=\"text-decoration: underline\">door.<\/span><\/p>\n<ol type=\"a\">\n<li>A circle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A rectangle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A square <span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<li>A triangle\u00a0<span style=\"text-decoration: underline\" aria-label=\"blank\">\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 3<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>Circle the correct shape in each line. Have your instructor check your answers.<\/p>\n<ol type=\"a\">\n<li>A rectangle<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-124\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a.png\" alt=\"a circle, a rectangle, a square, a triangle\" width=\"598\" height=\"138\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a.png 598w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a-300x69.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a-65x15.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a-225x52.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3a-350x81.png 350w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/li>\n<li>A circle<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-125\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b.png\" alt=\"a square, a triangle, a rectangle, a circle\" width=\"580\" height=\"150\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b.png 580w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b-300x78.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b-65x17.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b-225x58.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3b-350x91.png 350w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/li>\n<li>A square<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-126\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c.png\" alt=\"a rectangle, a circle, a square, a triangle\" width=\"516\" height=\"159\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c.png 516w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c-300x92.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c-65x20.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c-225x69.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3c-350x108.png 350w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/li>\n<li>A triangle<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-127\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d.png\" alt=\"a triangle, a square, a circle, a rectangle\" width=\"571\" height=\"120\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d.png 571w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d-300x63.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d-65x14.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d-225x47.png 225w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/3d-350x74.png 350w\" sizes=\"auto, (max-width: 571px) 100vw, 571px\" \/><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise 4<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>What shape are the following things? Write <strong>triangle, square, rectangle or circle<\/strong>.<\/p>\n<ol class=\"twocolumn\" type=\"a\">\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-128\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4a-e1622223160861.png\" alt=\"a round clock\" width=\"200\" height=\"195\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4a-e1622223160861.png 214w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4a-e1622223160861-65x63.png 65w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-290\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4b.png\" alt=\"a pine tree\" width=\"200\" height=\"188\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-130\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4c-e1622223134648.png\" alt=\"a cell phone\" width=\"200\" height=\"171\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4c-e1622223134648.png 252w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4c-e1622223134648-65x56.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4c-e1622223134648-225x193.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-131\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4d-e1622223211242.png\" alt=\"a chess board\" width=\"200\" height=\"195\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4d-e1622223211242.png 263w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4d-e1622223211242-65x63.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4d-e1622223211242-225x219.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-132\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680.png\" alt=\"a photograph of a house\" width=\"200\" height=\"164\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680.png 304w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680-300x246.png 300w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680-65x53.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4e-e1622223245680-225x184.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-133\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4f-e1622223280809.png\" alt=\"a bowl\" width=\"200\" height=\"152\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4f-e1622223280809.png 282w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4f-e1622223280809-65x50.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4f-e1622223280809-225x172.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-134\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4g-e1622223323303.png\" alt=\"a frying pan with 4 corners and 4 equal sides\" width=\"200\" height=\"113\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4g-e1622223323303.png 284w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4g-e1622223323303-65x37.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4g-e1622223323303-225x127.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-135\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2379\/2025\/01\/4h-e1622223356377.png\" alt=\"the Canadian flag\" width=\"200\" height=\"137\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4h-e1622223356377.png 288w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4h-e1622223356377-65x44.png 65w, https:\/\/pressbooks.bccampus.ca\/math021\/wp-content\/uploads\/sites\/2379\/2025\/01\/4h-e1622223356377-225x154.png 225w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/li>\n<\/ol>\n<p><strong>Answers to Exercise 4<\/strong><\/p>\n<ol class=\"twocolumn\" type=\"a\">\n<li>circle<\/li>\n<li>triangle<\/li>\n<li>rectangle<\/li>\n<li>square<\/li>\n<li>rectangle or triangle<\/li>\n<li>circle<\/li>\n<li>square<\/li>\n<li>rectangle<\/li>\n<\/ol>\n<\/div>\n<\/div>\n","protected":false},"author":999,"menu_order":8,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-136","chapter","type-chapter","status-publish","hentry"],"part":113,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapters\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/wp\/v2\/users\/999"}],"version-history":[{"count":1,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapters\/136\/revisions"}],"predecessor-version":[{"id":137,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapters\/136\/revisions\/137"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/parts\/113"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapters\/136\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/pressbooks\/v2\/chapter-type?post=136"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/wp\/v2\/contributor?post=136"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math021\/wp-json\/wp\/v2\/license?post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}