# How do you find the area of a circle if the radius is 7m?

Sep 18, 2015

153.9 sq. m

#### Explanation:

Formula for area of circle is:

$A = \pi \cdot {r}^{2}$

For simplicity, approximating $\pi$ as 22/7, we get,

$A = \frac{22}{7} \cdot {7}^{2}$
Hence, $A = 22 \cdot 7 = 154$

So area of circle of radius 7 m is 154 sq. m