Question

The area of a pizza is 616 square centimeters.

What is the radius?
Remember a=3.14r^2
Use 3.14=22/7

Answer 1

Well
`A= \pi r^2`

`616= \pi r^2`

`(616)/(\pi) =r^2`

`\sqrt{(616)/(\pi)} =r`

`\sqrt{(616(7))/(22)} =r`

`14=r`