Mathematics · Mensuration
If the radius of a hemisphere is increased by 3 cm and its curved surface area increases by 396 cm2, then what was the original radius of the hemisphere? (Take π = 227)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 114 cm
- 216 cm
- 312 cm✓
- 410 cm
Correct answer
12 cm
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