Rob is making a square pen for his dog to play in. Each
side of the pen is 30 feet long.
The formula for the area of a square is A = 52, where A
stands for the area and s is the length of one side.
What is the area of the pen?
A. 900 square feet
B. 60 square feet
C. 120 square feet
D. 30 square feet
