Mathematics · Mensuration
The diameter of a copper sphere is 6 cm. The sphere is melted and drawn into a long wire of uniform circular cross-section. If the length of the wire is 36 cm, then its radius is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.0 cm
- 21.5 cm
- 31.0 cm✓
- 40.5 cm
Correct answer
1.0 cm
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