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We will find x=?, an external angle that is outside of a circle, then the measure of the angle is ½ (half) the measure of the intercepted arc.

Previous video in this series on YouTube: https://youtu.be/1AbOKUxaGyc
Title search of video on other plateforms: Geometry - Ch. 6: Circles (18 of 39) Tangent Lines

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Title search of video on other plateforms: Geometry - Ch. 6: Circles (20 of 39) Angles Exterior to the Circle