The curved surface area of a cylindrical rod is 264 m2. and its volume is 924 m3. The ratio of its semi diameter to height is - एक बेलनाकार छड़ का पार्श्व पृष्ठ क्षेत्रफल 264 मी.2 है और इसका आयतन 924 मी.3 है | इसके अर्द्ध व्यास का इसकी ऊँचाई से अनुपात है -

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