SAT I 一日一問:2014年9月11日
來源:CollegeBoard
2014-09-11 09:30
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 6 and volume 54 times pi. What is the circumference of its base?
(A) 2 times pi
(B) 3 times pi
(C) 6 times pi
(D) 9 times pi
(E) 18 times pi?