The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 mm. The length of the wire is
A.12 m
B.18 m
C.36 m
D.66 m
The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 mm. The length of the wire is
A.12 m
B.18 m
C.36 m
D.66 m