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A small cone of height 8cm is cut off from a bigger cone to leave frustum of height 16cm.If the volume of the smaller cone is 160cm cubed. Find the volume of the frustum.

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L.S.F = 8:24 = 1:3
V.S.F = 1:27 .....
Volume of frustum
   = 160 x 27 – 160
    = 4160cm3

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32

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4160
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