Question

Perimeter of square is 400 cm then what is the area of square

Answer 1

formula of perimeter of sq 4s

perimeter of sq is 400 cm

therefore its side

4s=400

S=100

now we know the side

therefore area is

=s*s

= 100*100

=10000

ans area is 10000 sq cm

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hope it helps

Answer 2

Answer !!

Perimeter of square = 400 cm --- eq.(i)

perimeter of square = 4a ------ eq. (ii)

From equation (i) and (ii),

we get ,

4 a = 400 cm.

a = 100 cm

Area of square

= a × a

= 100 × 100

= 10,000 sq. cm

Hence , Area of square = 10,000 sq. cm