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Question

Find the maximum volume of a cone that can be out of a solid hemisphere of radius r.

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Solution

We have radius of Hemisphere is r.
Radius of Hemisphere = Radius of Cone
and
Radius of Hemisphere = Height of Cone
h = r.....(equation 1)
We know that maximum volume of the cone (V) is = (1/3)πr²h
i.e,
V=13×πr3cubic units
Thus the maximum volume of cone is 13×πr3cubic units when take out from solid hemisphere of radius r.

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