Question

The circumference of a circle is 10 inches. What is the area, in square inches, of the circle? Express your answer in terms of

Answer 1

In terms of pi, the area is 25/π square inches.

Explanation:

Circumference = 2πr

10 = 2πr

r=10/(2π)

A = πr^2

A = π(10/(2π))^2

A = π(100/4π^2)

A = 25/π square inches