16 feet (4 sides x 4 =16)
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4 feet x 4 sides = 16 ft
22 feet. perimeter is the lenghth of all 4 sides of a square (box).
As area is 12 square feet, each side must be 3.464 feet long (3.464 X 3.464 = 12). So the perimeter is 4 times that - 4 x 3.464 = 13.856
A square with sides that are one foot long. It has a perimeter of 4 feet and an area of 1 square foot.
The perimeter of a square is four times the length of any of its sides. Thus, you can divide the perimeter by 4, and then square the result to get the area.