The area of a circular field is 2462 m². Find the cost of fencing it at the rate of Rs. 6.50 per metre.
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3
Answer:
area of circle=πr²
22/7×r²=2462
r²=784
r=28
cost of fencing = 2πr×6.5=2×22/7×28×6.5=Rs1144
Answered by
3
Hi mate. This is ur answer-
Area of feild= 2462 m2
Formula of Area of a circle= πr2
22/7 × R = 2462
R = 2462 ÷ 22/7
R = 2462 × 7/22
R = 783.36/2
R = 391.68
Perimeter of Circle = 2πR
= 2 × 22/7 × 391.68
=2461.98
Therefore, cost of fencing= 2461.98×6.50
=16,002.87 Rupees.
Hope this helps..
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