Question

A bicycle has a radius of 14inches. What is the circumference?

Answer 1

The circumference would be 87.964 inches (2 x Pi (3.14) x r (14))

Answer 2

c=87.9645943005 inches

Explanation:

c=2r
`\pi`

Substitute 14 in for r (radius)

c=2(14)
`\pi`

c=28
`\pi`

c=87.9645943005 inches

Hope this helps! :)