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Answer : 4 14 cm Explanation : Answer: D) 14 cm Explanation: Circular piece is 4 x 11 = 44 cm long,Then Circumference of circle is given by,44 = pi x D, where D is the diameterD = 44 / piTake pi = 22 / 7, thenD = 44 / (22/7) = (44 x 7) / 22D = 14 cm.

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