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*A rectangular ground is 80 m long and 60 m wide. How much long wire will be needed for four-layers of fencing ? |
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Answer» Answer: length = 80 CM breadth = 60 cm perimeter = 2 ( 80 + 60) = 2 X 140 = 280 cm fence required = 280 x 4 = 1120 cm |
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