SAT Math Practice Question #33711 - SATify | SATify

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SAT Math Practice Question #33711 - SATify | SATify

#33711

circles

area

geometry

easy

45 sec

Circle A has a radius of $r$ . Circle B has a radius of $3 r$ . The area of circle B is how many times the area of circle A?

A.

3

B.

6

C.

9

D.

12