Question

1. What is the circumference of a circle if the diameter is 18 in? 2. What is the circumference of a circle if the radius is 8 m?

Answer 1

Explanation:

Circumference, C=2-3.14*r

diameter is 18, r=9

C=2*3.14*9=56.54 in^2

if radius is 8 m

C=2*3.14*8=50.27 m^2