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
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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