Solve the equation for the variable r . Assume that all letters represent positive numbers. $A = \pi r ^ { 2 }$
A) $r = \sqrt { A \pi }$
B) $r = \frac { \sqrt { A } } { \pi }$
C) $r = \sqrt { \frac { A } { \pi } }$

Question

Quizplus · Accepted Answer

To solve for r, we need to isolate it on one side of the equation. Dividing both sides by π gives us A/π = r^2. To solve for r, we take the square root of both sides, giving us r = √(A/π). Therefore, choice C is the correct option.

Solve the Equation for the Variable R A=πr2A = \pi r ^ { 2 }A=πr2

Solve the Equation for the Variable R $A = \pi r ^ { 2 }$