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

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CASE_STUDIESCurved Surface Area of HemisphereVolume of HemisphereNCERT Textbook2 sub-questions

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