a cylindrical pillar is 50 cm in diameter and 3.5 CM in height find the cost of painting the curved surface area of the field at the rate of 12.5 50 per metre square
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Answer:
Diameter=50cm
Radius=50/2=25cm
Height=3.5cm
CSA=2πrh
2*22/7*25*35/10=550cm2
550cm2=0.055m2=0.055/50=0.0011m2
The cost of painting the CSA of the cylinder at the rate of 12.5=0.0011*12.5=₹0.01375
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