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jboi81
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Join Date: Dec 2007
Posts: 1

Why are Radians Dimensionless?

12/05/2007 1:49 PM

Why are radians dimensionless???
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CSM Engineer
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Join Date: Sep 2007
Location: Reno, NV (USA)
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Good Answers: 66
#1

Re: hey

12/05/2007 9:12 PM

An angle, measured in radians, is the ratio of the length of the enclosed arc to the length of the circle's radius. Therefore the length cancels out, leaving a dimensionless value.

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