Question

The perimeter of square is 20cm.Find its area.

Answer 1

Answer:

Step-by-step explanation:

Perimeter of square=20cm

4×side=20

Side=20/4 =5cm

Area of square=side²

= 5×5

=25cm²

Answer 2

Perimeter of a square=2(a×a)

20=2(a×a)

a=√10

area=√10÷√10

=10 cm^2