Question

What is the circumference AND area or circle C?

Answer 1

`56.55`
`in`

`254.47`
`in^(2)`

Explanation:

`C=\pi d`

`C=18\pi`

`C=56.54866776`

`A=\pi r^(2)`

`A=\pi(9)^(2)`

`A=81\pi`

`A=254.4690049`