Question

The perimeter of a square is 28 feet. What is its area
​in square feet?
​​

Answer 1

A = 49 ft^2

Explanation:

The perimeter of a square is given by

P = 4s where s is the side length

28 = 4s

Divide each side by 4

28/4 = 4s/4

7 =s

We want the area

A = s^2

A = 7^2

A = 49 ft^2