1.

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find(i) Its 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) Its inner curved surface area,



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



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