Question

Find the circumference of a circle whose radius is 7 in.

Answer 1

43.98 inches

Explanation:

The circumference of a circle can be found using:

`c=2r\pi`

We know r, or the radius is 7, so we can substitute that in

`c=2*7(\pi )`

`c=14\pi`

c=43.9822972

or, about

43.98 inches

Answer 2

43.96

Explanation:

you get pi which is 3.14 times 7 and then times 2