Mathematics · Mensuration
एक बेलन (cylinder) का आयतन संख्यात्मक रूप से उसके कुल पृष्ठीय क्षेत्रफल के समान है। यह देखते हुए कि त्रिज्या 3 सेमी है, बेलन की ऊंचाई ज्ञात कीजिए।
- 18 सेमी
- 26 सेमी✓
- 34 सेमी
- 42 सेमी
सही उत्तर देखें
6 सेमी
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