Question

a
The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find
its inner curved surface area,
m the cost of plastering this curved surface at the rate of Rs 40 per m2.​

Answer 1

Step-by-step explanation:

CSA = (pi) × d × h

= 22/7 × 3.5 × 10

= 110 m^2

Cost of plastering 1 m^2 = 40

Cost of plastering 110 m^2 = 110 × 40 = 4400

Therefore answer is Rs 4400

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Answer 2

Answer:

Here is your Solution.

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