19A cylindrical vessel, without lid, has to be tin-coated on its both – InterviewSolution

1.	19A cylindrical vessel, without lid, has to be tin-coated on its both sides. If the radiusthe base is 70 cm and its height is 1.4 m, calculate the cost of tin-coating at the rate ofRs 3.50 per 1000 cm".
Answer» a cylindrical vessel open at the top has a base diameter of 21 cm and height 14 cm. find the cost of tin plating its inner part at the rate of rs.5 per 100 cm cm

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