Judging by the sides, things appear similar. A portion of a larger playlist on geometry introduces the Side-Side-Side Similarity Theorem. The video shows how to use the lengths of sides to determine whether triangles are similar.

Concepts

sides, similar triangles, triangles, similarity, theorems

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Additional Tags

math

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Instructional Ideas

• Develop a proof of the SSS Similarity Theorem

Classroom Considerations

• Expects the class knows how to find equivalent ratios
• Requires individuals to solve linear equations

• This video is hosted on YouTube

Pros

• Uses colors to distinguish corresponding sides
• Shows the work required for the examples

Cons

• None

Common Core

HSG-SRT.B.5 MP3