Question

find the area of a square whose perimeter is 400​

Answer 1

Answer:

Area of square = 10000 sq units

Step-by-step explanation:

Let the side of the square be a

As all the sides of a square are of same length

So perimeter = a+a+a+a

                      = 4a units

Perimeter given = 400 units

400 = 4a

a = 100 units

Area of square = a×a

                         = 100×100

                         = 10000 sq units

Answer 2

Answer:

i think it is the correct answer.