Mathematics · Mensuration
एक धातु के बेलनाकार पाइप का आयतन 1232 cm3 है। यदि इसकी बाहरी त्रिज्या 7 सेमी और मोटाई 2 सेमी है, तो पाइप की लंबाई (एक दशमलव स्थान तक सही) (सेमी में) क्या है? (π = 22/7 लें)
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