{"id":19634,"date":"2026-05-21T18:03:43","date_gmt":"2026-05-21T12:03:43","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/check-right-triangle-sides-20-21-29\/"},"modified":"2026-05-21T18:03:43","modified_gmt":"2026-05-21T12:03:43","slug":"check-right-triangle-sides-20-21-29","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/check-right-triangle-sides-20-21-29\/","title":{"rendered":"Check right triangle sides 20, 21, 29"},"content":{"rendered":"<p>Can side lengths 20, 21, and 29 form a right triangle?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>No<\/li>\n<li>None of these 2<\/li>\n<li>None of these 3<\/li>\n<li>Yes<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2828],"subject":[2745],"education_level":[2494],"class_list":["post-19634","mcq","type-mcq","status-publish","hentry","topic-right-triangle-basics","subject-trigonometry","education_level-grade-6"],"mcq_note":"Check the two smaller sides against the largest side. 20\u00b2 + 21\u00b2 = 400 + 441 = 841, which equals 29\u00b2, so the sides form a right triangle.","mcq_options":[{"right":"no","answer":"No"},{"right":"no","answer":"None of these 2"},{"right":"no","answer":"None of these 3"},{"right":"yes","answer":"Yes"}],"multi_answers":"no","subject_terms":[{"id":2745,"title":"Trigonometry","slug":"trigonometry"}],"topic_terms":[{"id":2828,"title":"Right Triangle Basics","slug":"right-triangle-basics"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/19634","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=19634"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19634"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19634"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19634"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}