The diameter of a spare is 8 cm. It is melted and drawn into a wire of diameter

Question

The diameter of a spare is 8 cm. It is melted and drawn into a wire of diameter 3 mm. The length of the wire is :

Options:

A . 36.9 m

B . 37.9 m

C . 38.9 m

D . 39.9 m

Answer: Option B

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