{"id":18864,"date":"2026-05-19T22:25:20","date_gmt":"2026-05-19T16:25:20","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/hypotenuse-of-right-triangle-20-and-21\/"},"modified":"2026-05-19T22:25:20","modified_gmt":"2026-05-19T16:25:20","slug":"hypotenuse-of-right-triangle-20-and-21","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/hypotenuse-of-right-triangle-20-and-21\/","title":{"rendered":"Hypotenuse of Right Triangle 20 and 21"},"content":{"rendered":"<p>A right triangle has legs 20 cm and 21 cm. What is the length of the hypotenuse?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>29 cm<\/li>\n<li>41 cm<\/li>\n<li>1 cm<\/li>\n<li>841 cm<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2774],"subject":[2744],"education_level":[1894],"class_list":["post-18864","mcq","type-mcq","status-publish","hentry","topic-pythagorean-theorem","subject-geometry","education_level-grade-8"],"mcq_note":"For a right triangle, square both legs and add them: 20\u00b2 + 21\u00b2 = 841. The hypotenuse is the square root of 841, so it is 29 cm.","mcq_options":[{"right":"yes","answer":"29 cm"},{"right":"no","answer":"41 cm"},{"right":"no","answer":"1 cm"},{"right":"no","answer":"841 cm"}],"multi_answers":"no","subject_terms":[{"id":2744,"title":"Geometry","slug":"geometry"}],"topic_terms":[{"id":2774,"title":"Pythagorean Theorem","slug":"pythagorean-theorem"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/18864","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=18864"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=18864"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=18864"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=18864"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=18864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}