Triangle Congruence Proofs (Day 2)

50 Minute Class, Curriculum, Geometry

Learning Goal: Develop understanding and fluency with triangle congruence proofs.


Classwork

 Standards:

  • Common Core
    • HSG.CO.B.8 – Explain how the criteria for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions.
    • HSG.SRT.B.5 – Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.
  • TEKS
    • G.6(B) – prove two triangles are congruent by applying the Side-Angle-Side, Angle-Side-Angle, Side-Side-Side, Angle-Angle-Side, and Hypotenuse-Leg congruence conditions

 

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