Mathematics · Mensuration
21 सेमी त्रिज्या वाले एक ठोस लोहे के गोले को पिघलाकर 84 सेमी ऊंचाई वाले एक शंकु में ढाला जाता है। शंकु की त्रिज्या क्या होगी?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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21 सेमी
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