Mathematics · Mensuration
A solid circular metallic disc of radius 12 inches and thickness 4 inches is melted and shaped into a solid disc of radius 16 inches. What is the thickness of the new disc in inches?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.75
- 22.50
- 32.25✓
- 42
Correct answer
2.25
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