220k views
4 votes
What is the approximate circumference of a circle with a radius of 18ft? Use 3.14 for pie

A:5.73ft

B:11.47ft

C:56.52ft

D:113.04

User Antiqe
by
5.3k points

1 Answer

3 votes

Answer:

D

Explanation:

We can use the formula 2πr to find the circumference of a circle, where r is the radius. In our case, we have 18 = r, and when we plug that in, we get 2 * π * 18, or 36π. When we plug in 3.14 for π, we get 36 * 3.14 which is 113.04, or D. Hope this helps!

User Nolan H
by
5.5k points