{"id":"cb_practice_pdf:t5-math-m2-q16","source_id":"cb_practice_pdf","source_item_id":"t5-math-m2-q16","external_id":null,"ibn":null,"question_id":null,"program":"SAT","module":"math","domain_code":null,"domain":null,"skill_code":null,"skill":null,"difficulty":null,"score_band":null,"answer_type":"mcq","answer_source":"rationale","layout_warning":null,"form_id":"cb_practice_pdf:test-5","module_number":2,"position":16,"stem":"- - -_measure_of - -_R_is_63°_._Which_of_the - - ~ △RST In, the S following could be the measure, in degrees, of?","stimulus":"","stimulus_html":null,"stem_html":"<p>- - -_measure_of - -_R_is_63°_._Which_of_the - - ~ △RST In, the S following could be the measure, in degrees, of?</p>","rationale_html":"<p>180° Choice A is correct. The sum of the measures of the angles of a triangle is . + + + 180° Therefore, the sum of the measures of R, S, and T is . It’s given that the + 63° + + measure of R is . It follows that the sum of the measures of S and T is 180-63 ° 117° + ^ h , or . Therefore, the measure of S, in degrees, must be less than 117 116 117 . Of the given choices, only is less than . Thus, the measure, in + 116 degrees, of S could be . + 118° Choice B is incorrect. If the measure of S is , then the sum of the measures 180° of the angles of the triangle is greater than, not equal to, . Choice C is + 126° incorrect. If the measure of S is , then the sum of the measures of the 180° angles of the triangle is greater than, not equal to, . Choice D is incorrect. This is the sum of the measures of the angles of a triangle, in degrees.</p>","correct_answer":["A"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"<p>116</p>","ord":0},{"label":"B","content_html":"<p>118</p>","ord":1},{"label":"C","content_html":"<p>126</p>","ord":2},{"label":"D","content_html":"<p>180</p>","ord":3}],"attribution":{"source_id":"cb_practice_pdf","source_name":"College Board full-length SAT practice tests (PDF)","rights_holder":"College Board","canonical_url":"https://satsuite.collegeboard.org/practice/practice-tests/paper","retrieved_from":"https://satsuite.collegeboard.org/practice/practice-tests/paper","attribution":"Full-length SAT practice tests 4–11 © College Board, published free at satsuite.collegeboard.org.","disclaimer":"Extracted from PDF layout: equations, figures and tables do not survive intact. Use the original PDFs for anything the text renders poorly. SAT® is a trademark registered by the College Board, which is not affiliated with and does not endorse this project.","license":"College Board copyright. Free to download; not licensed for redistribution.","redistributable":false,"item_count":905}}