Question

Find the area of a circle with a circumference of 2pi Either enter an exact answer in terms of 3.14 pi or as a decimal

Answer 1

C = 2 π r
2 π = 2 π r
r = 1
so
A = π r^2
A = 3.14 x 1^2
A = 3.14

answer
A = 3.14