{"id":19237,"date":"2026-05-20T17:53:28","date_gmt":"2026-05-20T11:53:28","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/triangle-inequality-7-8-20\/"},"modified":"2026-05-20T17:53:28","modified_gmt":"2026-05-20T11:53:28","slug":"triangle-inequality-7-8-20","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/triangle-inequality-7-8-20\/","title":{"rendered":"Triangle Inequality 7-8-20"},"content":{"rendered":"<p>Can side lengths 7 cm, 8 cm, and 20 cm form a triangle?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>No, because every triangle must be equilateral.<\/li>\n<li>Yes, because any three numbers form a triangle.<\/li>\n<li>Yes, because the longest side is always allowed.<\/li>\n<li>No, they cannot form a triangle.<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2773,2769],"subject":[2744],"education_level":[2495],"class_list":["post-19237","mcq","type-mcq","status-publish","hentry","topic-triangle-inequality","topic-triangles","subject-geometry","education_level-grade-7"],"mcq_note":"Use the triangle inequality rule: the two shorter sides must add to more than the longest side. Here, 7 + 8 is not greater than 20, so a triangle is not possible.","mcq_options":[{"right":"no","answer":"No, because every triangle must be equilateral."},{"right":"no","answer":"Yes, because any three numbers form a triangle."},{"right":"no","answer":"Yes, because the longest side is always allowed."},{"right":"yes","answer":"No, they cannot form a triangle."}],"multi_answers":"no","subject_terms":[{"id":2744,"title":"Geometry","slug":"geometry"}],"topic_terms":[{"id":2773,"title":"Triangle Inequality","slug":"triangle-inequality"},{"id":2769,"title":"Triangles","slug":"triangles"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/19237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=19237"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19237"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19237"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19237"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}