Question

3. A dome of a building is in the form of a hemisphere. From inside, it was white-
washed at the cost of Rs 4989.60. If the cost of white-washing is Rs 20 per
square meter, find the (i) inside surface area of the dome, (ii) volume of the
air inside the dome.

pls help me fast​

Answer 1

Answer:

Please refer to the attachment!

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