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2011年9月13日
考试类型:Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
A right circular cylinder has height 
and volume 
. What is the circumference of its base?
A.
B. 
C. 
D. 
E.
正确答案:C 解析: 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 
.