Mathematics · Mensuration
एक ठोस धात्विक गोलाकार गोली का व्यास 3.5 सेमी है। ऐसी 96 गोलियों को पिघलाकर 56 सेमी ऊंचाई वाले एक ठोस लंब वृत्तीय बेलन में ढाला जाता है। बेलन का वक्र पृष्ठीय क्षेत्रफल (सेमी2 में) कितना है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1336 π
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सही उत्तर देखें
392 π
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