A piece of solid, spherical glass has a circumference of 18.84 centimeters. The sphere is cut in half, creating two identical hemispheres. Using 3.14 for π, Tran computes the amount of paint needed to cover the sphere.
Answer
A
Tran found the minimum amount of paint needed to cover the curved surface of a hemisphere
B
Tran found the minimum amount of paint needed to cover the entire surface of one of the hemispheres.
C
Tran found the minimum amount of paint needed to cover both hemispheres.
D
Tran found the minimum amount of paint needed to cover the bases of both hemispheres.