1.

The inner diameter of a circular well is 3.5 m. It is 10 m deep Find:(i) inner curved surface area.(ii) the cost of plastering this curved surface at the rate of Rs 40 per m2.

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



(i) inner curved surface area.



(ii) the cost of plastering this curved surface at the rate of Rs 40 per m2.


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