Question

Find the radius and circumference of a circle with an area of 28.26.

Answer 1

Radius = 3

Circumference = 18.84

Explanation:

A = πr²

28.26 = 3.14r²

√9 = √r²

3 = r

C = 2πr

C = (2)(3.14)(3)

C = 18.84