{"id":285,"date":"2022-04-13T10:34:06","date_gmt":"2022-04-13T10:34:06","guid":{"rendered":"http:\/\/10thclass.deltapublications.in\/?page_id=285"},"modified":"2024-10-23T14:09:07","modified_gmt":"2024-10-23T14:09:07","slug":"o-1-classify-triangles","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/o-1-classify-triangles\/","title":{"rendered":"O.1 Classify triangles"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong> Classify triangles<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-8550df6181cd5d83aa7a08ef336a4ca1\" style=\"color:#74008b\">Key Notes :<\/p>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading\">1. <strong>Classification by Sides<\/strong>:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Equilateral Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: All three sides are equal, and all three interior angles measure 60\u00b0.<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: Symmetrical in every way; all angles and sides are congruent.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"399\" height=\"324\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-7.png\" alt=\"\" class=\"wp-image-14290\" style=\"width:269px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-7.png 399w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-7-300x244.png 300w\" sizes=\"auto, (max-width: 399px) 100vw, 399px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Isosceles Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: Two sides are of equal length, and the angles opposite these sides are equal.<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: Often has two equal angles, making it visually symmetrical across one axis.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"270\" height=\"187\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-8.png\" alt=\"\" class=\"wp-image-14291\" style=\"width:336px;height:auto\"\/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Scalene Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: All three sides have different lengths, and all three angles are different.<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: No symmetry in sides or angles.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"169\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-9.png\" alt=\"\" class=\"wp-image-14292\" style=\"width:402px;height:auto\"\/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">2. <strong>Classification by Angles<\/strong>:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acute Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: All three interior angles are less than 90\u00b0.<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: The sum of the three acute angles still equals 180\u00b0, but each individual angle is small.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"329\" height=\"153\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-10.png\" alt=\"\" class=\"wp-image-14293\" style=\"width:529px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-10.png 329w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-10-300x140.png 300w\" sizes=\"auto, (max-width: 329px) 100vw, 329px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Right-Angled Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: One of the angles is exactly 90\u00b0 (a right angle).<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: The Pythagorean theorem applies, where the square of the hypotenuse (longest side) equals the sum of the squares of the other two sides: (a^2 + b^2 = c^2).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"237\" height=\"213\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-12.png\" alt=\"\" class=\"wp-image-14295\" style=\"width:317px;height:auto\"\/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Obtuse Triangle<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>Description<\/strong>: One of the angles is greater than 90\u00b0.<\/li>\n\n\n\n<li><strong>Key Feature<\/strong>: The obtuse angle gives the triangle a wider, flatter shape.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"296\" height=\"170\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/10\/image-13.png\" alt=\"\" class=\"wp-image-14296\" style=\"width:406px;height:auto\"\/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">3. <strong>Sum of Interior Angles<\/strong>:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In any triangle, the sum of the interior angles always equals 180\u00b0.<\/li>\n\n\n\n<li><strong>Example<\/strong>: For an isosceles triangle with two equal angles of 45\u00b0, the third angle will be 90\u00b0 (since 45\u00b0 + 45\u00b0 = 90\u00b0, and 180\u00b0 &#8211; 90\u00b0 = 90\u00b0).<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><\/h4>\n\n\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f09292\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-4fc6886be8abd9d580c2363d14622ee5\" style=\"color:#b00012\"><strong>What kind of triangle is this?<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"265\" height=\"267\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-43.png\" alt=\"\" class=\"wp-image-11326\" style=\"width:279px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-43.png 265w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-43-150x150.png 150w\" sizes=\"auto, (max-width: 265px) 100vw, 265px\" \/><\/figure><\/div>\n\n\n<p>a ) Acute<\/p>\n\n\n\n<p>b ) Right <\/p>\n\n\n\n<p>c ) Obtuse<\/p>\n<\/div><\/div>\n\n\n\n<p>This triangle is an obtuse triangle. The 92\u00b0 angle is greater than 90\u00b0.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#b0b0f1\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-23f971167805e669567298ad05c19bb3\" style=\"color:#b00012\"><strong>A triangle has angle measurements of 74\u00b0, 47\u00b0, and 59\u00b0. Is this triangle equilateral?<\/strong><\/p>\n\n\n\n<p>a ) Yes<\/p>\n\n\n\n<p>b ) No<\/p>\n<\/div><\/div>\n\n\n\n<p>This triangle is not equilateral. All 3 angles are different.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#97f0f0\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-4fc6886be8abd9d580c2363d14622ee5\" style=\"color:#b00012\"><strong>What kind of triangle is this?<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"356\" height=\"212\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-44.png\" alt=\"\" class=\"wp-image-11329\" style=\"width:403px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-44.png 356w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-44-300x179.png 300w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/figure><\/div>\n\n\n<p>a ) Acute<\/p>\n\n\n\n<p>b ) Right <\/p>\n\n\n\n<p>c ) Obtuse<\/p>\n<\/div><\/div>\n\n\n\n<p>Look at this triangle:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"356\" height=\"212\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-removebg-preview-2023-12-30T123545.410.png\" alt=\"\" class=\"wp-image-11331\" style=\"width:393px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-removebg-preview-2023-12-30T123545.410.png 356w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/12\/image-removebg-preview-2023-12-30T123545.410-300x179.png 300w\" sizes=\"auto, (max-width: 356px) 100vw, 356px\" \/><\/figure><\/div>\n\n\n<p>This triangle is an obtuse triangle. The 91\u00b0 angle is greater than 90\u00b0.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">let&#8217;s practice!<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/80332\/227\/929\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-92.png\" alt=\"\" class=\"wp-image-7130\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-92.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-92-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-92-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/80167\/978\/228\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-110.png\" alt=\"\" class=\"wp-image-7131\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-110.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-110-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-110-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Classify triangles Key Notes : 1. Classification by Sides: 2. Classification by Angles: 3. Sum of Interior Angles: Learn with an example What kind of triangle is this? a ) Acute b ) Right c ) Obtuse This triangle is an obtuse triangle. The 92\u00b0 angle is greater than 90\u00b0. A triangle has angle measurements<a class=\"more-link\" href=\"https:\/\/10thclass.deltapublications.in\/index.php\/o-1-classify-triangles\/\">Continue reading <span class=\"screen-reader-text\">&#8220;O.1 Classify triangles&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-285","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=285"}],"version-history":[{"count":10,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/285\/revisions"}],"predecessor-version":[{"id":14297,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/285\/revisions\/14297"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}