Angle Bisectors: Lesson

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Apply bisectors and distances to angles. Using the definition of an angle bisector, a portion of a geometry playlist draws a diagram showing the angle bisector. The video details properties of an angle bisector and their converses. Applying the angle bisector to triangles results in the incenter.

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CCSS: Adaptable
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Instructional Ideas
  • Use congruent triangles to show that a point on the angle bisector is equidistant to the sides of the angle
Classroom Considerations
  • Individuals should know how to find the distance from a point to a line
  • The class should be comfortable solving linear equations with variables on both sides of the equal sign
  • Includes a link to more angle bisector videos
  • Works several examples
  • None
Common Core