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Question

The volume of hemisphere with total surface area 115.62 cm2 is approximately (Take π= 22/7)


A

25 cm3

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B

40 cm3

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C

60 cm3

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D

90 cm3

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Solution

The correct option is D

90 cm3


Total surface area of a hemisphere= 3 πr2= 115.62

r= 3.5 cm

Volume of hemisphere=2/3 πr3=90 cm3


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