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Understanding Angle Naming and Angle Bisectors in Geometry

In this lesson, we explore the different methods for naming angles, including using three points, one point, or a number. We also introduce the concept of an angle bisector, which is a ray that divides an angle into two equal parts. To solidify understanding, we provide a practical example that involves drawing a diagram and solving for two angles given specific parameters. This interactive approach enhances comprehension of important geometric concepts.

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Understanding Angle Naming and Angle Bisectors in Geometry

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    11. Naming an angle: (1) Using 3 points (2) Using 1 point (3) Using a number – next slide

    12. Example

    13. Angle Bisector An angle bisector is a ray in the interior of an angle that splits the angle into two congruent angles.

    15. Example Draw your own diagram and answer this question: If is the angle bisector of ?PMY and m?PML = 87?, then find: m?PMY = _______ m?LMY = _______

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