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Geometry 1.3, Measuring & constructing angles, angle bisector

15.8K views on YouTube

An explanation of angles, vertex and vertices, naming and labeling angles, measures of angles, degrees, protractors, the Protractor Postulate, classifying angles by their measure, the measure of an angle is the absolute value of the difference of the rays on a protractor, types of angles (acute, right, obtuse, straight), interior of an angle, exterior of an angle, congruent angles, angle bisectors, arc marks on an angle, constructing congruent angles, the Angle Addition Postulate, constructing a bisector of an angle, finding the measure of an angle with Algebra, and how to use the protractor for angles that open to the left or right. Sorry the video is so dark at the end, a storm rolled in as I was making it. :-/

JoAnn’s School High School Geometry
https://www.youtube.com/playlist?list=PLKi4WTp6PRGVBM1nPhwW1lTuxi32Q0IZ3

Geometry 1.1, Understanding points, lines, and planes

Geometry 1.2, Measuring and constructing segments

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