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A right trainlewith sides 3 cm, 4 cm and...

A right trainlewith sides 3 cm, 4 cm and 5 cm is rotated about the side of 3 cm to form a cone. The volume of the cone so formed is___

A

`12Pi cm^3`

B

`15Pi cm^3`

C

`16Pi cm^3`

D

`20Pi cm^3`

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