Mathematics · Mensuration
एक ठोस बेलन, जिसका व्यास 28 सेमी और ऊंचाई 7 सेमी है, को पिघलाकर एक ही आकार के 24 गोले बनाए जाते हैं। प्रत्येक गोले का पृष्ठीय क्षेत्रफल कितना है? (π = 22/7 लें)
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154 सेमी 2
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