Mathematics

Problem

A copper wire, 3 mm in diameter, is rounded about a cylinder whose length is 1.2 m and diameter is 10 cm, so as to cover the curved surface of the cylinder. Find the length of the wire. (Use

\pi = 3.14

) A. 125.6 m B. 1256 m C. 12.56 m D. 1.256 m

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