Question

SA=4pier^2Solve for pier^2 is r to the second power.Can someone show me how to do this?

Answer 1

SA  = 4 pi r^2

Divide both sides by 4 r^2
SA / 4r^2 = pi

Answer pi = SA / (4r^2)

Answer 2

SA = 4 * (pi) * r^2......solving for (pi)
divide both sides by 4r^2
SA / (4r^2) = (pi)