SAT Math Practice Question #38387 - SATify | SATify

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SAT Math Practice Question #38387 - SATify | SATify

#38387

circles

area

medium

45 sec

Circle A has a radius of $5 k$ and circle B has a diameter of $30 k$ . What is the ratio of the area of circle B to the area of circle A?

A.

3

B.

6

C.

9

D.

36