The inner diameter of a circular well is...

The inner diameter of a circular well is 3.5m. It is 10m deep. Find the cost of plastering its inner curved surface at Rs. 4 per square metre.

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The inner diameter of a circular well is 3.5m. It is 10m deep find: inner curved surface area. the cost of plastering this curved surface at the rate of Rs. 40\ p e r\ m^2dot

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 m^2 .

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