kaitlindavis6761 kaitlindavis6761

21-03-2024
Mathematics

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A toy is in the form of a hemisphere surmounted by a right circular cone of the same base radius as that of the hemisphere. If the radius of the base of the cone is 21 cm and its volume is 2/3 of the volume of the hemisphere, calculate the height of the cone and the surface area of the toy.(Use π=22/7)

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