Triangle Congruence Cases

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• Offline Activity (.zip)

• GeoGebra Files

  1. These are properties that allow us to conclude that two triangles are congruent from just three determined congruences. (.ggb)
     
  2. 2nd Case of Congruence - Angle-Side-Angle (.ggb)
     
  3. 3rd Case of Congruence - Side-Side-Side (SSS) (.ggb)
     
  4. Proof of the 3rd case of congruence (.ggb)
     
  5. Exterior angles of the convex polygon. (.ggb)
     
  6. Exterior Angles of a Triangle (.ggb)
     
  7. Property of the exterior angle of the triangle (.ggb)
     
  8. Change the selector "Steps" (.ggb)
     
  9. 4th case of congruence - AAS (.ggb)