The radius of the base of vua cylindrical pillar is 0.56m and its height is 3m. find the cost of painting its curved surface area at the rate of Rs. 4.80 per sq.m.
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Step-by-step explanation:
Given,
radius=0.56=14/25
height=3m
Now,
volume of cylinder = pie rsq. h
= 22/7*14/25*14/25*3
= 44*42/625
= 1784/652
=2.7986
then,
CSA= 2.7986*4.80= 13.42464
so it's helpful for us
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