SAT试题类型:Mathematics > Standard Multiple Choice

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In the figure above, if P Q R S is a quadrilateral and T U V is a triangle, what is the sum of the degree measures of the marked angles?
Answer Choices

(A) 420
(B) 490
(C) 540
(D) 560
(E) 580

答案:C

解析:

Explanation

The marked angles in the figure are angles P, Q, R, and S, which are the angles of a quadrilateral, and angles T, U, and V, which are the angles of a triangle. The sum of the degree measures of the angles of a quadrilateral is 360, and the sum of the degree measures of the angles of a triangle is 180. Therefore, the sum of the degree measures of the marked angles is 360 plus 180, which is 540.