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Q:

आधार की त्रिज्या 7 सेमी और ऊँचाई 5 सेमी वाले बेलन का कुल पृष्ठीय क्षेत्रफल क्या है?

  • 1

    426 cm2

  • 2

    528 cm2

  • 3

    428 cm2

  • 4

    572 cm2

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Answer : 2. "

528 cm2

"

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