Why 6.28 Radians? - Math Forum - Ask Dr. Math
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Oct 7, 1998 - Date: 10/08/98 at 13:18:41 From: Doctor Peterson Subject: Re: Radians Hi, Jason, A complete circle, 360 degrees, is exactly 2 pi radians. Do you recognize that from the formula for the circumference of a circle, 2 pi r? That's because the number of radians in an angle is defined as the length of the arc of a ...
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