Question

What is the area circle that has a 4 inch radius?

Answer 1

`16pi~~50.27" inches"^2" to 2 dec. places"`

Explanation:

`"the area (A) of a circle formula is"`

`•color(white)(x)A=pir^2larrcolor(blue)"r is the radius"`

`"here "r=4`

`A=pixx4^2=16pi" inches"^2larrcolor(red)"exact value"`

`A~~50.27" inches"^2" to 2 dec. places"`