The perimeter of a triangle is equal to perimeter of a rectangle. Length of rectangle is 75% of side of a square and ratio of length to breadth of rectangle is 3 : 2. If difference between perimeter of square and that of rectangle is 36 cm, then find perimeter of triangle?
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Step-by-step explanation:
Let the side of square = b
=> length of rectangle = 0.76 b
=> breadth of rectangle = 0.5 b
difference of perimeter = 4 b - 2.5 b = 1.5 b = 36
=> b = 24
=> perimeter of triangle = 2.5 × 24 = 60 cm
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