Question

If a bicycle wheel has a diameter of 21 inches what the exact circumference?

Answer 1

Circumference = 65.97344573

Explanation:

Given the diameter of a circle, we can use the formula C = πd to find the circumference.

C = circumference

π = pi

d = diamater

Equation: 21(π) = 65.97344573

Make sure to round to whatever decimal place is asked for!