Question

the cost of fencing a circular field at rs 9.50 per metre is rs 2926.Find the cost of ploughing the field at rs 2.50 per sq metre
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Answer 1

Answer:

Rs

perimeter of the crcular field=2πr=

2926 / 9.50 =308 m

r=308x7/2x22=49m

area= πr^2 = 22x49^2/7=7546m2

COST of Ploughing=7546x2.50

= Rs.18865. Ans