Write as a Function of S S=4pir^2

$S = 4 π r^{2}$

Step 1

Rewrite the equation as $4 π r^{2} = S$ .

$4 π r^{2} = S$

Step 2

Subtract $4 π r^{2}$ from both sides of the equation.

$0 = S - 4 π r^{2}$

Step 3

Rewrite the equation as $S - 4 π r^{2} = 0$ .

$S - 4 π r^{2} = 0$