A Square Sheet Of Paper Has A Perimeter Of 40cm. Find Is The Length Of Its Side And The Area Of The Square Sheet?

Let ABCD is a square sheet with its sides = x cm.

Four sides = 4 x

As given: A square sheet of paper has a perimeter of 40cm.

Therefore, 4 x = 40 cm.

x = 40 / 4 cm

x = 10 cm

The area of the square sheet is x2 cm2

= 102 cm2

= 100 cm2

The length of its side is 10 cm

The area of the square sheet is 100 cm2

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