# How do you find the radius of a circle if its area is 254.5 square inches?

Sep 20, 2015

I found $r = 9 \text{in}$

#### Explanation:

The area $A$ of a circle is given as:
$A = \pi {r}^{2}$
so: $r = \sqrt{\frac{A}{\pi}} = \sqrt{\frac{254.50}{3.14}} = 9 \text{in}$