Question

If the total surface area of a solid hemisphere is462cmsquare find the volume..
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Answer 1

As you know that total surface of hemisphere is =3πr^2.

so,3πr^2=462..

=>r^2=462*7/66

=>r^2=49

=>r=7

so,volume of sphere =2/3πr^3

=)2/3*22/7*(7)^3

=>718.6 cm³

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