The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find
(1) its inner curved surface area,
(ii) the cost of plastering this curved surface at the rate of 40
lindriral nine of length 28 ma
per m
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10 m deep. Find
(1) its inner curved surface area,
(ii) the cost of plastering this curved surface at the rate of 40
lindriral nine of length 28 ma
per m
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