Question

The circumference of a circle measures `22pi` units. How do you find the area of the circle?

Answer 1

`121pi`

Explanation:

Since the circumference of a circle measures `2pir`,

then

`r=(22pi)/(2pi)=11`

Since the area of a circle measures `pir^2`,

then the area is:

`pi*11^2=121pi`