and the voiume of the cyllnder.A cylindrical pillar has radius 21 cm a – InterviewSolution

1.	and the voiume of the cyllnder.A cylindrical pillar has radius 21 cm and height4 m. Find:9.(i) the curved surface area of the pillar(ii) cost of polishing 36 such cylindricalpillars at the rate of12 per m2
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