how much will it cost for fencing a circular ground with 3 layers of a wire of diameter 210m at the rate of Rs 10 per meter?
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Answer:
Diameter=210m
Radius=15m
circumference=2πr=(2×22/7×15)
=660m
Therefore length of garden=(660m×3)
1980m
The cost of per meter=₹10
The cost of 1980meter=(1980×10)
=19800m
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