Answer:
Step-by-step explanation:
The formula for the Area of a square is:
A=
Where s is the length of the side of the square.
Substituting and solving for s gives:
64 units2 =

√64 units2 =√s2
8 units = s
The formula for the perimeter of a square is:
p=4s
Where s is the length of the side of the square.