【SAT官方每日一题】13/8/12 Mathematics > Standard Multiple Choice

滚吧肥汤圆UID: 3272378

Read the following SAT test question and then click on a button to select your answer.
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  l% u" j! o, i/ E' pA right circular cylinder has height and volume . What is the circumference of its base?





A.  
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C.  
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D.  

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8 G3 c6 x% G  {4 U* I0 B8 ^+ i, w正确答案:C

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The volume of a cylinder with radius   and height   is equal to  . Therefore，  and , so the radius of the cylinder is . The circumference of a circle with radius   is equal to  ; therefore, the circumference of the base is equal to .

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