Find the area of the circle with the given circumference C Use 3.14 for pi

Question

C=37.68

Answer 1

C = pi * d
37.68 = 3.14 * d
37.68 - 3.14 = d
34.54 = d

A = pi * r^2
A = 3.14 * 17.27^2
A = 3.14 * 298.2529
A = 936.51