SOLUTION: How do you find the circumfrence of a circle when you only know the arc length?

Question 330636: How do you find the circumfrence of a circle when you only know the arc length?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You mean you know the arc length and the angle corresponding to the arc length.
If is arc length, is circumference, is the angle in radians, then

Since the circumference is the arc length when the corresponding angle is radians.
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If the angle is in degrees, then,

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