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Find the area of rectangle whose perimeter is 126cm and its breadth is 13cm |
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Answer» Perimeter of a rectangle = 2×(Length+Breadth)(i) Length = 16.8 cm Breadth = 6.2 cm Perimeter = 2×(Length+Breadth) = 2×(16.8+6.2) =46 cm(ii) Length = 2 m 25 cm =(200+25) cm (1 m = 100 cm ) = 225 cm Breadth =1 m 50 cm = (100+50) cm (1 m = 100 cm ) = 150 cm Perimeter = 2×(Length+Breadth) = 2×(225+150) =750 cm(iii) Length = 8 m 5 dm = (80+5) dm (1 m = 10 dm ) = 85 dm Breadth = 6 m 8 dm = (60+8) dm (1 m = 10 dm ) = 68 dm Perimeter = 2×(Length+Breadth) = 2×(85+68) =306 dm |
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