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From the top of a cone of base radius 12...

From the top of a cone of base radius 12 cm and height 20 cm. a small cone of base radius 3cm is to be cut off. How far down the vertex is the cuts should be made ? Find the volume of the frustum so obtained .

Text Solution

Verified by Experts

The correct Answer is:
`=(110)/(7)xx189`
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Knowledge Check

  • A frustum of cone with radii 20 cm and 32 cm has height 8 cm. its volume is

    A
    1720 `picm^(3)`
    B
    `1720cm^(3)`
    C
    `260picm^(3)`
    D
    `5504picm^(3)`

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