# 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

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