Q. 685.0( 1 Vote )

# The volume of a h

Answer :

Given: The volume of a hemisphere is 19404 cm3.

Volume of the hemisphere is given by: × π × r3 × π × r3 = 19404

r3 = 19404 × = 9261

r3 = 9261 r = 9261

r = 21

Now, Total surface area of hemisphere is given by: 3πr2

Let S be the TSA

S = 3 × π × r2

S = 3 × π × (21)2 = 4158 cm2

S = 4158 cm2

That is TSA of the given sphere is 4158 cm2

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