What is the length of an arc of an 8" radius circle if the arc measures 45°.

First, convert the arc measure from degrees into radians:



So,



________

•   length of the arc:   L;

•   measure of the arc (in radians):  

•   radius:  r = 8''.



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Tags: arc length radius angle convert degree radian

First, convert the arc measure from degrees into radians:



So,



________

•   length of the arc:   L;

•   measure of the arc (in radians):  

•   radius:  r = 8''.



If you're having problems understanding this answer, try seeing it through your browser:

Tags: arc length radius angle convert degree radian

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