A toy is in the form of hemisphere surmounted by a right circular cone of the same base radius as that of the hemishphere if the radius of base of cone is 21 cm and its volume is ⅔ of volume of hemisphere
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volume=2/3
radius=21cm
volume of hemisphere=2/3πr3
2/3=2/3*22/7*9261
=22/7*9261
=29106cm3
radius=21cm
volume of hemisphere=2/3πr3
2/3=2/3*22/7*9261
=22/7*9261
=29106cm3
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