Question

When the perimeter of the square is 40 cm what is its areaits area?

Answer 1

Perimeter of the square =4a

4a=40cm

a=10cm

area of square =a×a

=10cm×10cm

=100cm^2

hope this will help you...

Answer 2

Here is your answer mate...✔✔✌

Perimeter = 40 cm

Side = s

Perimeter = 4 x s

40 cm = 4 x s

s = 40/4

side = 10 cm

Area = s x s

Area = 10 cm x 10 cm

Area = 100 cm square