Question

From a solid hemisphere whose radius is 2.1cm, a conical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm² and also find out the cost of painting the remaining solid green at the rate of ₹1.25 per square cm.

Answer 1

Answer:

"1.25" (and any subsequent words) was ignored because we limit queries to 32 words.