Triangle Proofs Playlist for Geometry

Now that we've gotten acquainted with proofs on a general basis, we jump into a major component of the Geometry curriculum: proofs specifically for triangles. As if we're secret agents with our own encrypted language, we learn about SSS, SAS, AAS, ASA, and CPCTC.
 

Helpful tips:

  • At the top of each video, you can access that lesson's worksheet and quiz.

  • The worksheet contains the exact problems we cover in the video. Just print the sheet and work along with the class.

  • Take the quiz right after the video, to see how well you learned it.

  • To access the worksheet and quiz at any time, simply pause the video.

  • Below, you also have the option of viewing the same playlist on YouTube.

 

The videos in this playlist include:

1 of 5 – Congruent Triangles Intro

2 of 5 – Triangle Congruence (SSS, SAS)

3 of 5 – Triangle Congruence (ASA, AAS)

4 of 5 – CPCTC

5 of 5 – Proofs for Triangles

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