Mathematics · Mensuration
6 सेमी व्यास वाले एक ठोस तांबे के गोले को पिघलाकर 0.1 मिमी त्रिज्या वाला एक तार बनाया जाता है। इस प्रकार बने तार की लंबाई (सेमी में) कितनी होगी?
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