a rectangular park is 64 m long and 56 m board find the cost of levelling the park card 4.50 rupees per M2 sensing the park at rupees 70 6.50 per metre what is the answer ?
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Answer:
length = 64m
breadth = 56m
Area = l×b = 64×56 = 3584 m^2
rate of lavelling the park = ₹4.50 per sq.m.
cost of levelling = 3584 × 4.50 = ₹16128
perimeter = 2(l+b) = 2(64+56) =2 ×120 = 240m
rate of fencing the park = ₹76.50 per metre
cost of fencing = 240 × 76.50 = ₹1836
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