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प्रश्न
Find the maximum volume of a cone that can be carved out of a solid hemisphere of radius r units.
बेरीज
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उत्तर
Radius of a cone = Radius of a hemisphere = r unit
Height of a cone = r units
(height of the cone = radius of a hemisphere)
Maximum volume of the cone
= `1/3 pi"r"^2` cu.unis
= `1/3pi"r"^2 xx "r"` cu.units
= `1/3 pi"r"^3` cu.units
Maximum volume ofthe cone
= `1/3 pi"r"^3` cu.units
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