Question

The area of a circle is 706.5 square inches. What is the radius? Use 3.14 to approximate pi.

Answer 1

A= pi r^2
706.5 = 3.14 x r^2
r^2 = 225
r = 15

answer
radius = 15 in.

Answer 2

r = √(A/π) ≈ √(706.5 in²/3.14) ≈ 15 in

The radius is about 15 in.