SAT Math Practice Question #39205 - SATify | SATify

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SAT Math Practice Question #39205 - SATify | SATify

#39205

circles

area

hard

90 sec

Calculator OK

Circle P has a radius of $r$ . Circle Q has a radius of $3 r$ . If the area of Circle P is $A$ , what is the area of Circle Q in terms of $A$ ?

A.

$3 A$

B.

$6 A$

C.

$9 A$

D.

$A^{2}$