Mathematics · Mensuration
4 मिमी त्रिज्या वाले एक 144 मीटर लंबे तार को पिघलाकर एक गोला बनाया जाता है। यह मानते हुए कि सामग्री की कोई बर्बादी नहीं होती है, गोले का पृष्ठीय क्षेत्रफल (सेमी2 में) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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सही उत्तर देखें
576 π
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