Mathematics · Mensuration
The internal and external radii of a hollow spherical shell are 4 cm and 8 cm, respectively. It is melted and recast into a solid right circular cylinder of height 9 13 cm. What is the curved surface area (in cm2) of the cylinder?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1112 π
- 2168 π
- 38963 π
- 44483 π✓
Correct answer
4483 π
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