Question

How do you find the circumference of a circle with radius of 4 cm?

Answer 1

The circumference is `8picm` or `25.12cm`.

Explanation:

The formula for circumference of a circle is:

`C=2pir`, where `C=`Circumference, `p=3.14`, and `r=`radius.

`C=2xx3.14xx4`

#C=3.14xx8

`C=25.12`