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US CHUISLIJOJ JL.21. Length of a rectangle is 16 cm less than twice its breadth. If the perimeter of the rectangle is 100 cm, findits length and breadth. |
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Answer» Let the breadth be bLength is 2b - 16 Perimeter of the rectangle = 2( l + b) = 100 cm=> 2 ( 2b - 16 + b) = 100=> 3b - 16 = 100/2=> 3b - 16 = 50=> 3b = 66=> b = 22 cmlength = 2 x 22 - 16 = 44 - 16 = 28 cm Hence, length = 28 cm and breadth = 22 cm |
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