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This The Third Angle Theorem: Lesson instructional video also includes:
If two sets of angles are equal, the third set is too. An informative portion of a playlist on geometry develops the Third Angle Theorem for triangles. Using the theorem, the presenter shows how to determine the measure of missing angles in triangles.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Provide opportunities for class members to use the theorem to find angle measures
Classroom Considerations
- Individuals should know the Angle Sum Theorem
- Assumes the class can solve linear equations in one variable
- This video is hosted on YouTube
Pros
- Links to more resources on the Third Angle Theorem
- Contains worked examples to help with understanding
Cons
- None