2010年01月21 SAT最新每日一題

2010年01月21日
    考試類型： Mathematics > Standard Multiple Choice
    Read the following SAT test question, then click on a button to select your answer.
    
    In the figure above, if is a quadrilateral and is a triangle, what is the sum of the degree measures of the marked angles?
    A. 420
    B. 490
    C. 540
    D. 560
    E. 580
    正確答案: C