Question

A circular pan has a diameter of 8 inches. What is the exact area of the pan? A. 64π square inches B. 16π square inches C. 8π square inches D. 256π square inches

Answer 1

A = 1/4 * pi * d^2
d = 8

A = 1/4 * pi * 8^2
A = 1/4 * pi * 64
A = 64/4 * pi
A = 16 pi sq in. <==