Triangle Congruence Investigation

Caroline Psutka, Gayatri Bharambe, Laurent, Mar 2, 2025

Six investigation activities that explore the triangle congruence theorems.


  • 1. Investigation #1
  • 2. Investigation #2
  • 3. Investigation #3
  • 4. Investigation #4
  • 5. Investigation #5
  • 6. Investigation #6

1.

Investigation #1

Usage Instruction:
- Click and drag point A and D to move the two triangles.[br]- Click and drag point C or B to change the length of EF.[br]- Click and drag point E to rotate triangle DEF.
Question
Can you move the two points below to make △[math]ABC[/math] [b]not[/b] congruent to △[math]DEF[/math]?
– Laurent

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