Indirect Proofs in Algebra and Geometry: Lesson

This Indirect Proofs in Algebra and Geometry: Lesson video also includes:

Indirectly, it is a good proof method. A segment of a playlist on geometry introduces a way to prove geometric and algebraic statements. Using a general examples, the video shows how to develop an indirect proof.

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Instructional Ideas

  • Lead a short discussion on contradictions and making them
Classroom Considerations

  • Class members should be able to make a statement negative
  • Individuals need to know the triangle angle sum theorem
Pros

  • Contains worked example problems
  • Links to other indirect proof resources
Cons

  • None