Mathematics · Mensuration
यदि एक बेलन दोनों सिरों पर समान त्रिज्या वाले दो अर्धगोलाकार ढक्कनों से ढका हुआ है, तो नए ठोस का कुल पृष्ठीय क्षेत्रफल क्या होगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12πrh + 4πr
- 22πrh + 4πr2✓
- 34πrh - 2πr2
- 44πrh + 2πr2
सही उत्तर देखें
2πrh + 4πr2
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