Question 55

The perimeter of a square is 90 cm more than the length of each of its side. What is the length of each side of the square?

Solution

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Let's assume the length of each of its sides is 'y'.

The perimeter of a square is 90 cm more than the length of each of its side.

4y = 90+y

4y-y = 90

3y = 90

y = 30

Length of each side of the square = 30 cm

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