{"id":19942,"date":"2026-05-21T18:55:04","date_gmt":"2026-05-21T12:55:04","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/missing-acute-angle-when-one-angle-is-39-degrees\/"},"modified":"2026-05-21T18:55:04","modified_gmt":"2026-05-21T12:55:04","slug":"missing-acute-angle-when-one-angle-is-39-degrees","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/missing-acute-angle-when-one-angle-is-39-degrees\/","title":{"rendered":"Missing acute angle when one angle is 39 degrees"},"content":{"rendered":"<p>A right triangle has one acute angle of 39\u00b0. What is the measure of the other acute angle?<\/p>\n\n<ul class=\"quiz-options wp-block-list\">\n<li>141\u00b0<\/li>\n<li>39\u00b0<\/li>\n<li>180\u00b0<\/li>\n<li>51\u00b0<\/li>\n<\/ul>\n","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[2803],"subject":[2745],"education_level":[2494],"class_list":["post-19942","mcq","type-mcq","status-publish","hentry","topic-complementary-angles","subject-trigonometry","education_level-grade-6"],"mcq_note":"The two acute angles in every right triangle add to 90\u00b0. Subtract the given angle: 90\u00b0 - 39\u00b0 = 51\u00b0.","mcq_options":[{"right":"no","answer":"141\u00b0"},{"right":"no","answer":"39\u00b0"},{"right":"no","answer":"180\u00b0"},{"right":"yes","answer":"51\u00b0"}],"multi_answers":"no","subject_terms":[{"id":2745,"title":"Trigonometry","slug":"trigonometry"}],"topic_terms":[{"id":2803,"title":"Complementary Angles","slug":"complementary-angles"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/19942","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=19942"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=19942"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=19942"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=19942"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=19942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}