SAT Math Practice Question #34937 - SATify | SATify

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SAT Math Practice Question #34937 - SATify | SATify

#34937

equations

formulas

medium

45 sec

The formula for the circumference $C$ of a circle with radius $r$ is $C = 2 π r$ . Which equation correctly expresses $r$ in terms of $C$ and $π$ ?

A.

$r = C - 2 π$

B.

$r = \frac{C}{2 π}$

C.

$r = 2 π C$

D.

$r = \frac{2 π}{C}$