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A cylinder pillar is 1 m in diameter and 4.2 m in height. find the cost of white washing the curved surface of the pillar at the rate of rs 15 per metre



I think it is 198 metre square
2 4 2
pls give proper answer with solution
use formula 2.pi.r.h×rate of white washing.
blah !blah ! blah !!!!
Csa of cylinder=2πrh
cost of white washing 1m=15
                                 = 198rs         
3 4 3
it isn't for u wowowow
thanks nesthangam
hey iam sneha
u r welcome
oh ! hi sneha
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