{"id":19699,"date":"2026-05-21T18:17:24","date_gmt":"2026-05-21T12:17:24","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/find-cos-ratio-from-a-20-21-29-triangle-2\/"},"modified":"2026-05-21T18:17:24","modified_gmt":"2026-05-21T12:17:24","slug":"find-cos-ratio-from-a-20-21-29-triangle-2","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/find-cos-ratio-from-a-20-21-29-triangle-2\/","title":{"rendered":"Find cos ratio from a 20-21-29 triangle"},"content":{"rendered":"<p>In a right triangle, for a chosen acute angle, the adjacent side is 20 and the hypotenuse side is 29. What is cos of the angle?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>29\/21<\/li>\n<li>20\/29<\/li>\n<li>29\/20<\/li>\n<li>20\/70<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2829],"subject":[2745],"education_level":[2495],"class_list":["post-19699","mcq","type-mcq","status-publish","hentry","topic-trigonometric-ratios","subject-trigonometry","education_level-grade-7"],"mcq_note":"Cosine compares the adjacent side with the hypotenuse: cos \u03b8 = adjacent \u00f7 hypotenuse. Here, cos \u03b8 = 20 \u00f7 29 = 20\/29.","mcq_options":[{"right":"no","answer":"29\/21"},{"right":"yes","answer":"20\/29"},{"right":"no","answer":"29\/20"},{"right":"no","answer":"20\/70"}],"multi_answers":"no","subject_terms":[{"id":2745,"title":"Trigonometry","slug":"trigonometry"}],"topic_terms":[{"id":2829,"title":"Trigonometric Ratios","slug":"trigonometric-ratios"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/19699","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=19699"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19699"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19699"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19699"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}