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A circular piece of wire is converted into a square of side 6.25 cm. If there is no loss or gain in its length, then the radius of the circular wire is ______
(A) 3.5 cm
(B) 3.98 cm
(C) 4.0 cm
(D) 4.2 cm
 Answers: 1
  on 11/2/17
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