Mathematics · Mensuration
20 सेमी लंबे और 14 सेमी चौड़े एक आयत को उसकी चौड़ाई के परितः 360° घुमाया जाता है। इस प्रकार बनने वाले बेलन का आयतन कितना होगा? [π = 22 7 का उपयोग करें]
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17,600 सेमी 3
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