Question

What is the area of a circle if the radius of the circle is 20 ? 3.14 is the approximate for pi

Answer 1

`A=pi*r^2=3.14*(20)^2=3.14*400=1256`

Explanation:

the Area of the circle given by `color(red)[A=pi*r^2]`

when the radius equal `r=20`

`A=pi*r^2=3.14*(20)^2=3.14*400=1256`