Mathematics · Mensuration
एक खोखली गोलाकार गेंद बनाई जानी है जिसकी आंतरिक त्रिज्या 2 इकाई और बाहरी त्रिज्या 3 इकाई है। गेंद को बनाने के लिए कितनी सामग्री की आवश्यकता होगी?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1π
- 276 3 π✓
- 319π
- 419 3 π
सही उत्तर देखें
76 3 π
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