Name: SAT Math Help & School Math Mastery
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#37019

equations

algebra

hard

90 sec

The area $A$ of a circle is given by the formula $A = π r^{2}$ , where $r$ is the radius of the circle. Which of the following equations correctly expresses the radius $r$ in terms of the area $A$ ?

A.

$r = \frac{A}{π}$

B.

$r = \frac{A}{π}$

C.

$r = A - π$

D.

$r = \frac{A}{π}$