Math, asked by vijaykumar12001318, 1 month ago

find the radius of a hemisphere whose curved surface area is 2772 CM square
Answer = 21cm​

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Answered by rs1231497
5

Answer:

The surface of a sphere is 4(pi)r^2 and so the curved surface of a hemisphere is 2(pi)r^2 = 2772, so r^2 = 2772*7/(2*22) = 441 and r = 21 cm.

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Answered by xxswapnilxx
1

Answer:

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