A right triangle ABC with sides 5cm,12cm and 13cm is revolved about the side 12cm. Find the volume of the solid so obtained.
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A right triangle ABC with sides 5cm,12cm and 13cm is revolved about the side 12cm. Find the volume of the solid so obtained.
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Answer:
Solid so obtained is a cone with r=5 & h=12
⇒ Volume = 3/1πr2h
= 3/π×25×12
= 100πcm2.