Question
The perimeter of a rectangle is 120 cm. If the side of
the square is equal to the average of the rectangle’s length and breadth, what is the area of the square?Solution
ATQ, Perimeter of the rectangle = 2 × (l + b) The sum of the length and breadth = 120 / 2 = 60 cm The side of the square = 60 / 2 = 30 cm Area of the square = a² The area of the square = 30 × 30 = 900 cm²
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