The area of a circular playground is 22176m sq. Find the cost of fencing this ground at the rate of Rs. 50 per m.
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A=πr²
22176=22/7×r²
22176×7/22=r²
7056=r²
84m=r
C=2πr
C=2×22/7×84
C=528
Cost=>50×528= >Rs.26,400
22176=22/7×r²
22176×7/22=r²
7056=r²
84m=r
C=2πr
C=2×22/7×84
C=528
Cost=>50×528= >Rs.26,400
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