a cylindrical pillar is 50 cm in diameter and 3.5 metre in height find the cost of painting the curved surface of the pillar at rate of rupees 12.50 per metre square
with steps
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Answer:
₹68.75
Step-by-step explanation:
Radius=0.25m
Height=3.5m
Radius=1m
CSA=2pie rh
=2×22/7×0.25×3.5
=5.5m^2
Cost of painting one m^2=12.50
Cost of painting 5.5m^2=12.50×5.5
=68.75ruppees.
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