Find the cost of fencung a rectangular plot,200m long and 75m 40cm wide at a rate of Rs 5 per metre . A 3 m long opening is left at the entrance on one of the longer sides.
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The perimeter of the rectangular ploy = 2(200 + 75.40) = 550. 8 m
Therefore 3 m opening is present so now the perimeter = 550.8 - 3 = 547.8
Therefore the cost = 5/m
Therefore the total cost = 547.8 * 5 = ₹2739
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