Mathematics · Mensuration
If a cylinder is covered by two hemispherical lids of equal radius at both ends, then the total curved surface area of the new object will be:
- 12πrh + 4πr
- 22πrh + 4πr2✓
- 34πrh - 2πr2
- 44πrh + 2πr2
Correct answer
2πrh + 4πr2
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