Question

What is the area of a circle if radius is 13

Answer 1

The area of a circle is given by $A=\pi r^2$, where $r$ is the radius of the circle and $\pi =3.14159265$.

When $r=13$, the area of the circle is

$A=\pi (13)^2=530.93 \;square \; units$

Answer 2

Area = \pi r^{2} [/tex](13^2)

Area = 3.14(169)

Area = 530.66

or it could be written as $169\pi$