DURFACE AREA
5. It costs * 2200 to
CE AREAS AND VOLUMES
231
ists * 2200 to paint the inner curved surface of a cylindrical vessel 10 m deep. If
the cost of painting is at the rate of 20 per m², find
(i) inner curved surface area of the vessel,
(ii) radius of the base,
(iii) capacity of the vessel.
Answers
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Step-by-step explanation:
total cost = CSA X rate
CSA = 2πrh
volume = πr²h
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