An iron sphere of radius 'a' units is immersed completely in water contained in aright circular cone of semi vertical angle 30 degree ,water is drained off from the cone till it's surface toches the sphere.Find the volume of water remaining in cone.

pls help me frnds

Hi!

Here is the answer to your question.

Let

*R*and*H*be the radius and height of the cone.In ∆BOC,

Cheers!

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