Question

Cost of ploughing at the rate of Rs. 10 per m^2 is Rs 1540. find the radius of circular field. ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

cost of ploughing 1m^2 area =Rs.10

cost of ploughing X m^2 =Rs.1540

so,

X=1540/10=154

The total area =154m^2

The area of circle=22/7×r^2=154

154×7/22=r^2

49=r^2 =r=7m