Find the cost of fencing a circular field of radius 120m at the rate of $2 per meter.
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cost of fencing=circumference×rate per meter
circumference=2πr
=2×22/7×120m
=44/7×120m
=754m
cost of fencing=754×$2
=1508$
or in rupees
1$=70.24/-
1508$=70.24×1508
=105921.92/-
circumference=2πr
=2×22/7×120m
=44/7×120m
=754m
cost of fencing=754×$2
=1508$
or in rupees
1$=70.24/-
1508$=70.24×1508
=105921.92/-
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