Answer
Option D is correct.
Perimeter = 40 feet
Explanation
Area of a square is given as
Area = L²
where
Area = 100 square feet
L = Length of the square = ?
Area = L²
100 = L²
Take the square root of both sides
10 = L
L = 10 feet
Perimeter of a square is given as
Perimeter = 4L
Perimeter = 4 (10)
Perimeter = 40 feet
Hope this Helps!!!
