Question

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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Answer 1

Answer:

see the above pic

Step-by-step explanation:

hope it will help you.

Answer 2

Step-by-step explanation:

The author wanted to grow the desi variety of rice - True.