Congruent Triangles - 1976

https://www.youtube.com/watch?v=SLDISLeDFsw

Demonstration, Video, YouTube

Congruent Triangles by Bruce and Katharine Cornwell.

An old animation about congruent triangles, showing the methods of determining if two triangles are congruent.

23 March 2019 Edit: 23 March 2019


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