Question

A circle has a circumference of 42 in.what is the area of the circle

Answer 1

Your answer is :140.37 in2

Answer 2

140.37 in²

Explanation:

C = 2πr

42 = 2πr

21 = πr

r = 21/π

A = πr²

A = π × (21/π)²

≈ 140.37 in²