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Mathematics, 12.01.2021 21:40 sophiaa23

A solid right circular cone of radius 7 cm and height 4 cm is melted to form a hollow hemisphere. If the external radius of the hemisphere is 5 cm, find the internal
radius. Find the total surface area of the hemisphere.

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A solid right circular cone of radius 7 cm and height 4 cm is melted to form a hollow hemisphere. I...
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