Mathematics · Mensuration
एक घनाकार कमरे में रखी जा सकने वाली सबसे लंबी छड़ की लंबाई 42√3 मीटर है। घनाकार कमरे के अंदर आ सकने वाले सबसे बड़े गोले का पृष्ठीय क्षेत्रफल (मीटर2 में) क्या है? [π = 227 का प्रयोग करें]
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