Mathematics · Mensuration
A hollow hemisphere has an inner radius of 5 cm and an outer radius of 7 cm. Find its total surface area (Take π = 227).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1511.38 cm2
- 2623.56 cm2
- 3540.57 cm2✓
- 4456.25 cm2
Correct answer
540.57 cm2
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