Mathematics · Mensuration
The surface area of a sphere is 28 cm 2 . If the sphere is divided into two equal hemispheres, then the total surface area of one of the hemispheres is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135 cm 2
- 227 cm 2
- 329 cm 2
- 421 cm 2✓
Correct answer
21 cm 2
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