If the inner curved surface of the well in part (i) above is to be plastered at the rate of ₹ 300 per m², find the cost of plastering (around to the nearest hundred rupees).
Mensuration
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Question

If the inner curved surface of the well in part (i) above is to be plastered at the rate of ₹ 300 per m2, find the cost of plastering (around to the nearest hundred rupees).

KnowledgeBoat · Accepted Answer

By formula, Curved surface area of cylinder = 2πrh Rate of plastering = ₹ 300/m2. Cost of plastering = Curved surface area of cylinder x Rate = ₹ 37,700 Hence, the cost of plastering the inner curved surface area of the well = ₹ 37,700.

Mathematics

If the inner curved surface of the well in part (i) above is to be plastered at the rate of ₹ 300 per m², find the cost of plastering (around to the nearest hundred rupees).

Mensuration

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