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The volume of a cone is 18480c m^3dot If...

The volume of a cone is `18480c m^3dot` If the height of the cone is 40cm. Find the radius of its base.

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Verified by Experts

given
`h=40cm`
volume`=18480cm^3`
`(1/3)pi(r^2)h=18480`
so `(1/3)pi(r^2)xx40=18480`
`r=21cm`
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