Question

Find the surface area of the ball shown to the right .The ball has a surface of _ cm2(Simplify your answer .Type an exact answer in terms of pie.)

Answer 1

Surface area of a sphere: 4 π r^2

Where:

r = radius = d/2 = 14/2 = 7

Replacing

SA = 4 π 7^2 = 4 π 49 = 196π cm2