SOLUTION: the diameter of sphere is 18 c.m a wire of 4 m.m diameter is made by melting this sphere .what is the length of a wire?

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Question 923581: the diameter of sphere is 18 c.m a wire of 4 m.m diameter is made by melting this sphere .what is the length of a wire?
Answer by Alan3354(69443) About Me  (Show Source):
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the diameter of sphere is 18 c.m a wire of 4 m.m diameter is made by melting this sphere .what is the length of a wire?
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Vol of sphere = 4pi%2Ar%5E3%2F3 cc
Vol of wire = pi%2Ar%5E2%2AL cc
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4pi%2A9%5E3%2F3+=+pi%2A0.2%5E2%2AL+
4%2A243+=+0.04%2AL+ cm
L = 24300 cm = 243 meters