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
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.
