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The sides of a rectangle are in the ratio 5 : 4 and its perimeter is 90 cm. Find its length and breadth. |
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Answer» Let x be the common multiple. Length = 5x Breadth = 4x Perimeter = \(2(l+w)\) 90 = 2 (5x + 4x) 18x = 90 X = 5 Length = 5x = 25 cm Breadth = 4x = 20 cm |
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