Mathematics · Mensuration
36 मीटर लंबी और 2 मिलीमीटर व्यास वाले एक तांबे के बेलनाकार तार को पिघलाकर एक ठोस गोला बनाया जाता है। इस प्रकार बने गोले की त्रिज्या (सेमी में) क्या है?
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