Question

A circular mirror has a circumference of 507 inches. What is the

radius of the mirror? Show your work.

Answer 1

80.7 inches

Explanation:

circumference = 2 * pi * r

2 * pi * r = 507 inches

r = (507 inches)/(2 * pi)

r = (507 inches)/(2 * 3.14159)

r = (507 inches)/(6.2832)

r = 80.7 inches