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A hemisphere is made of a sheet of a met...

A hemisphere is made of a sheet of a metal 1 cm thick. If the outer radius is 5 cm, what is the weight of the hemisphere.(`1 cm^3` of the metal weighs 9 g) ?

A

`56 pi` g

B

`366 pi` g

C

`122 pi` g

D

`108 pi` g

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