Question

the volume of a hemisphere is 4851 upon 2 find its curved surface area

Answer 1

Hey mate.....

Here is your correct answer...

Hope this will help you.....

Answer:-

volume of hemisphere = 2/3 pie r^3.

4851/2 = 2/3 × 22/7 × r^3

r^3 = 4851× 3×7/2×22×2

= 3638.25

r = 7.7 ..

C.S.A = 3 pie r^2 ...

= 3 × 22/7 × 7.7 × 7.7

= 559.02

So, the CSA = 559.02.....

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