SAT Math Practice Question #38389 - SATify | SATify

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SAT Math Practice Question #38389 - SATify | SATify

#38389

circles

area

hard

75 sec

The area of circle C is 64 times the area of circle D. If the radius of circle D is $x$ , what is the radius of circle C in terms of $x$ ?

A.

$4 x$

B.

$8 x$

C.

$16 x$

D.

$32 x$