Question

Define a variable, set up an equation, then solve. The area of a square is 225 square feet. find the side length of the square?

Answer 1

the area of the square is 225 square ft

we know that, area ofthe square is,

$\text{Area}=a^2$

here a is the length of the square.

$\begin{gathered} a^2=225 \\ a=\sqrt[]{225} \\ a=15 \end{gathered}$

so the side length of the square is 15 ft