The area of a circular field is 13.86 m sq. What is the cost of fencing it at a rate of Rs. 20.5 per cm ?
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Area of the circular field= 13.86 m²
Therefore r radius= √13.86/(22/7)
=√4.41
=2.1m
Therefore circumstances of the circular field= 2*(22/7)*2.1
=13.2m
Therefore cost of fencing=2050*13.2
=Rs27060
(Cost of fencing per Cm=Rs20.5. Cost of fencing per m= Rs20.5*100.
=Rs2050)
Therefore r radius= √13.86/(22/7)
=√4.41
=2.1m
Therefore circumstances of the circular field= 2*(22/7)*2.1
=13.2m
Therefore cost of fencing=2050*13.2
=Rs27060
(Cost of fencing per Cm=Rs20.5. Cost of fencing per m= Rs20.5*100.
=Rs2050)
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