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      Question

      A rectangular paper of width 8cm and length 22cm rolled

      along it width and a cylinder is formed. On the above Intimation, Solve the question given below The radius of the cylinder is-
      A 2/7 cm Correct Answer Incorrect Answer
      B 7 cm Correct Answer Incorrect Answer
      C 7/2 cm Correct Answer Incorrect Answer
      D 14 cm Correct Answer Incorrect Answer

      Solution

      Rectangular width =8cm, length =22cm After rolled cylinder form – H=8cm and Circumference =22cm ATQ- 2 Ο€r=22cm 2Γ—22/7Γ—r=22 r=7/2cm.

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