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CBSE Class 9 Answered

An open cylindrical vessel has base diameter 14 cm and height 21 cm. Find the cost of tin plating its inner surface area at the rate of Rs 3 per 10 cm2. .
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Inner CSA = 2rh =

= 924 cm2

Cost @ Rs 3 per 10 cm2 = Rs 3

= Rs 3

= Rs 277.20

Answered by | 04 Jun, 2014, 03:23: PM

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