Mathematics · Mensuration
Two hemispheres of radii 2 cm and 4 cm respectively are melted and recast into another hemisphere. What is the approximate total surface area of the newly formed hemisphere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1138 cm2
- 2150 cm2
- 3142 cm2
- 4163 cm2✓
Correct answer
163 cm2
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