Question #6438606Single Choice

Geometry

Question

A decorative sphere is coated with gold paint. The cost of gold paint is $0.25 per cm². If the sphere has a radius of 10 cm, how much will it cost to paint the entire surface? 

Options

A
    $31.40
B
    $78.50
C
    $100.00
D
    $314.00

Answer & Analysis