Mathematics · Mensuration
Two identical solid hemispheres, each with a radius of 21 cm, are melted and recast into a single sphere. What is the radius of the new sphere formed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118 cm
- 221 cm✓
- 324 cm
- 427 cm
Correct answer
21 cm
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