Question

The equation for the area of a circle is given.

A=πr2

If the radius (r) of the circle is 3, what is the area in terms of π?


3π
3π2
9π
9π2

Answer 1

`A=\pi r^2; r=3 =>\\\\A=\pi *3^2\\A=9\pi`

Answer:
`9\pi`