1.

A sphere of 17 cm radius is cut by two parallel planes which are 7 cm apart but on the same side of the centre of the sphere. The radius of one of the ends of the zone (or frustum) is 8 cm. What is the volume of the zone?

Answer»

`786pi`
`(3206)/3 PI`
`1786pi`
`(4096)/3 pi`

ANSWER :B


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