Question

Perimetre of a square is 40 cm, then find its area ​

Answer 1

a=side

perimeter of square =4a

4a=40

a=10

then

length=10 ,breath=10

area = axb=10x10=100cm²

Answer 2

perimeter of square is 40 centimetre

so perimeter of square=4(side)

side=40/4

=10cm

now area of square=side²

=10²

=100cm²

hope it will help you