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Question 7The inner diameter of a circular well is 3.5 m. It is 10m deep. Find(i) Its inner curved surface area,(ii) The cost of plastering this curved surface at the rate of Rs.40 per m2.[Assume π=227]

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Question 7

The inner diameter of a circular well is 3.5 m. It is 10m deep. Find

(i) Its inner curved surface area,

(ii) The cost of plastering this curved surface at the rate of Rs.40 per m2.[Assume π=227]





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