Given
The area of square is given 72 sq.ft.
Explanation
To determine the side of square.
Use the formula for area of square.
[tex]A=side^2[/tex]
Substitute the values.
[tex]\begin{gathered} 72=side^2 \\ side=\sqrt{72} \\ side=\sqrt{2\times2\times2\times3\times3} \\ side=6\sqrt{2} \end{gathered}[/tex]Answer
Hence the side length of square is
[tex]6\sqrt{2}ft[/tex]
