{"id":19650,"date":"2026-05-21T18:05:39","date_gmt":"2026-05-21T12:05:39","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/find-cos-ratio-from-a-5-12-13-triangle\/"},"modified":"2026-05-21T18:05:39","modified_gmt":"2026-05-21T12:05:39","slug":"find-cos-ratio-from-a-5-12-13-triangle","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/find-cos-ratio-from-a-5-12-13-triangle\/","title":{"rendered":"Find cos ratio from a 5-12-13 triangle"},"content":{"rendered":"<p>In a right triangle, for a chosen acute angle, the adjacent side is 12 and the hypotenuse side is 13. What is cos of the angle?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>12\/30<\/li>\n<li>12\/13<\/li>\n<li>13\/12<\/li>\n<li>None of these 3<\/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-19650","mcq","type-mcq","status-publish","hentry","topic-trigonometric-ratios","subject-trigonometry","education_level-grade-7"],"mcq_note":"Cosine means adjacent \u00f7 hypotenuse. So cos \u03b8 = 12 \u00f7 13 = 12\/13.","mcq_options":[{"right":"no","answer":"12\/30"},{"right":"yes","answer":"12\/13"},{"right":"no","answer":"13\/12"},{"right":"no","answer":"None of these 3"}],"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\/19650","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=19650"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19650"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19650"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19650"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}