Question

the perimeter of the square is 20 cm then what is the area​

Answer 1

Perimeter of the square is 20 cm. Each side = 5 cm. Area of the square = 5*5 = 25 cm^2.

Answer 2

Answer:

Side of square = Perimeter/4

                       = 20/4

                      = 5 cm

Area of square = side*side

                       = 5*5

                      = 25 $cm^{2}$