palakmodgill9507 palakmodgill9507
  • 09-10-2022
  • Mathematics
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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.

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