If the diameter of a circular pond is 84m,find the cost of fencing around it with four rounds at Rs 12 per meter.
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Diameter = 84 m
So, radius = 42 m
And circumference = 2*22*42/7
= 264 m
Total length = 4*264
= 1056 m
Total cost = ₹ 12*1056
= ₹ 12,672
So, radius = 42 m
And circumference = 2*22*42/7
= 264 m
Total length = 4*264
= 1056 m
Total cost = ₹ 12*1056
= ₹ 12,672
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