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If the volume of a right circular cone o...

If the volume of a right circular cone of height 9 cm is `48pic m^3` , find the diameter of its base.

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given that height of a cone `h=9cm`
volume `= 48picm^3`
or `(1/3)pi(r^2)h=48pi`
`(1/3)pi(r^2)9=48pi`
`r=4cm`
so `d=2xx4=8cm`
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