Question

find the side and area of a square whose. perimeter=20 cm

Answer 1

Given Perimeter = 20cm

To find - side , area

Perimeter of square = 20cm
4× side = 20
side = 20/4
side = 5cm

Now we should find area

Area of square = side × side
= 5 × 5
$= 25 {cm}^{2}$

Answer 2

Hlw..
__________

Perimeter of square = 4(side)

20 = 4side

20/4 = side

5 cm = side.

So,

The side of the square is 5cm.

Area of square = (side)^2

==> 5 ×5

==> 25cm^2
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