Mathematics · Mensuration
12 सेमी × 18 सेमी × 27 सेमी विमाओं वाले एक घनाभ को पिघलाकर एक घन बनाया जाता है। घनाभ के कुल पृष्ठीय क्षेत्रफल का घन के कुल पृष्ठीय क्षेत्रफल से अनुपात क्या है?
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