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Find the sides of a rectangle whose perimeter is 100 metres and area 600 sq. metres. |
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Answer» Perimeter = 100 m . Length + Breadth = 50 m. Length = 25 + x. Breadth = 25 – x Area = (25 + x)(25 – x) = 600 252 – x2 = 600 x2 = 625 – 600 = 25, x = 5 Sides, 25 + 5 = 30 m 25 – 5 = 20 m |
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