Question

A wheel has a radius of 28.15 in. What is this wheel's circumference? (use 3.14 for pi; round to the nearest tenth; show your work in numbers.)

Answer 1

4.5

Explanation:

circumference = 28.15 in = 2πr

2(3.14)r = 28.15

r = 28.15 / (2*3.14)

r = 4.5