The radius of circular garden is 28m.find the cost of putting fencing around it at the rate of Rs5per meter.
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radius=28m
2πr=2×22/7 ×28
=44×4=176
per meter=₹5 for 176m =176×5=₹880
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answer is rs.61544
totale area= π×r^2= 3.14× 28×28
now rs.5 per meter but for toal area its 5×5=25
so total cost wid be = 3.14×28×28×25
=61544
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