A right triangle with sides 3 cm, 4 cm and 5 cm is rotated about the side of 3 c

Question

A right triangle with 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 :

Options:

A . 12π cm3

B . 15π cm3

C . 16π cm3

D . 20π cm3

Answer: Option A

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