2015年10月10日SAT官方每日一題

2015/10/10 瀏覽次數:4 收藏
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  標題範例:Mathematics > Standard Multiple Choice

  Read the following SAT test question and then click on a button to select your answer.

  In the figure above, the circle with center A and the circle with center C are tangent at point D. If the circles each have radius 10, and if line l is tangent to the circle with center A at point B, what is the value of X?

  (A) 55

  (B) 60

  (C) 63

  (D) 65

  (E) It cannot be determined from the information given.

  謎底:B

  【剖析】