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The Official SAT Question of the Day for Monday, July 2

2012-07-02 12:00 作者: 来源: 本站 浏览: 1,101 views Make a Comment 字号:

摘要: Read the following SAT test question and then click on a button to select your answer.  In the figure above, inscribed tria...

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

In the figure above, inscribed triangle A B C is equilateral. If the radius of the circle is r, then the length of arc A X B is

math image +

  1. click to choose answer A  (2 times pi times r) over 3
  2. click to choose answer B  (4 times pi times r) over 3
  3. click to choose answer C  (3 times pi times r) over 2
  4. click to choose answer D  (pi times r^2) over 3
  5. click to choose answer E  (2 times pi times r^2) over 3
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