Respuesta :

Answer:

3 inches

Step-by-step explanation:

if it is a square we know that both sides must be the same

A=LW

L=W

A=W^2

9=W^2

[tex]\sqrt{9}[/tex]=3

W=3 L=3

sidsingh0402

Answer: the side length is 36 inches

Step-by-step explanation: if the area is 9 square feet then each side length would be 3 feet and 3 feet is 36 inches.