The location of the side makes a difference. One of the videos in a geometry playlist introduces angle-side-angle and angle-angle-side congruence relationships. Using drawings, the video shows how these two congruence statements are intuitive.

Concepts

congruent triangles, congruence, sides, angle angle side theorem, angles

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Additional Tags

math

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Instructional Ideas

• Provide worksheets that require class members to identify the type of congruence that will show two triangles are congruent
• Develop proofs for ASA and AAS

Classroom Considerations

• Individuals should know how to note congruence on figures and symbolically

• This video is hosted on YouTube

Pros

• Links to additional triangle congruence resources
• Works examples using the congruence theorems

Cons

• None

Common Core

HSG-CO.B.8 MP3 MP6