Respuesta :

Answer:

8 ft.

Step-by-step explanation:

The formula for area of a square is:

[tex]A=s^2[/tex]

We are given the area of 64 square feet.

[tex]64=s^2\\\\\sqrt{64}=\sqrt{s^2}\\\\ \boxed{8=s}[/tex]

Each side should be 8 ft.

Hope this helps.