The cost of fencing a circular field at the rate of Rs.24 per metre is Rs. 5280. Find the radius of the field.
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Step-by-step explanation:
ANSWER
For Rs.24, then length of fencing =1m
For Rs.52 so, the length of fencing
=
24
1
×5280=220meters
Circumference of the field =220m
2pr=220
Therefore r=
44
220×7
=35m
Area of the field =πr
2
π(35)
2
=1225
Cost of ploughing =Rs.0.50 per m
2
Total cost of ploughing the field =Rs.1225
=
7×2
1225×22×1
=Rs,1925.
Hence, the answer is 1925.
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