Reflections and Equilateral Triangles

This Reflections and Equilateral Triangles activity & project also includes:

Your learners collaboratively find the lines of symmetry in an equilateral triangle using rigid transformations and symmetry. Through congruence proofs they show that they understand congruence in terms of rigid motions as they prove that the lines of symmetry in an equilateral triangle are all perpendicular bisectors.

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CCSS: Designed
Pros

  • Includes very detailed description of the solution
  • Helpful commentary for the teacher
Cons

  • None