cpctc   3 videos

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  CPCTC

  Geometry Triangles

  How to use the principle that corresponding parts of congruent triangles are congruent, or CPCTC.

  corresponding parts or congruent triangles proofs
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  Two Column Proofs

  Geometry Triangles

  How to organize a two column proof.

  statement reason cpctc prove show congruent triangles
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  Flowchart Proofs

  Geometry Triangles

  How to outline a flowchart proof.

  flowchart proof given cpctc isosceles triangle reflexive property