Mathematics · Mensuration
A solid metallic ball of radius 9 cm is melted and recast into a right circular cylinder whose radius is double the radius of the ball. The curved surface area of the cylinder is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 154π cm2
- 2162π cm2
- 372π cm2
- 4108π cm2✓
Correct answer
108π cm2
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