A solid copper sphere of radius 9 cm is melted and reformed into a wire of radius 1 mm. What will be the length of this wire? (Take Ï€ = 22/7)

A solid copper sphere of radius 9 cm is melted and reformed into a wir

1.	A solid copper sphere of radius 9 cm is melted and reformed into a wire of radius 1 mm. What will be the length of this wire? (Take Ï€ = 22/7)
A.	1166.4 metres
B.	1458 metres
C.	777.6 metres
D.	972 metres
Answer» E.

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A solid copper sphere of radius 9 cm is melted and reformed into a wire of radius 1 mm. What will be the length of this wire? (Take Ï€ = 22/7)

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