# A square has a perimeter of 36 inches. What is the area?

Oct 13, 2015

${\text{81 in}}^{2}$

#### Explanation:

The perimeter of a square is

$P = 4 \times s$

$36 = 4 \times s$

$\frac{36}{4} = s \implies s = 9$

The area of a square is

$A = {s}^{2}$

$= {9}^{2}$

$= 81$