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Mathematics - Secondary Curriculum
Secondary Mathematics I
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Standard G.CO.8
Explain how the criteria for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions.
 
  • Congruence
    The Utah State Office of Education (USOE) and educators around the state of Utah developed these guides for the Secondary Mathematics 1 Cluster "Experiment with transformations in the plane" / Standards G.CO.1, G.CO.2, G.CO.3, G.CO.4 and G.CO.5 and Cluster "Understand congruence in terms of rigid motions" / Standards G.CO.6, G.CO.7 and G.CO.8 and Cluster "Make geometric constructions" / Standards G.CO.12 and G.CO.13.
  • Congruent Triangles - A Solidify Understanding Task
    Establishing the ASA, SAS and SSS criteria for congruent triangles. (G.CO.6, G.CO.7, G.CO.8) Congruence, Construction and Proof Module - Task 9
  • Congruent Triangles - Teacher Notes
    Teacher notes for "Congruent Triangles - A Solidify Understanding" task. (G.CO.6, G.CO.7, G.CO.8) Congruence, Construction and Proof Module - Task 9
  • Congruent Triangles to the Rescue - A Practice Understanding Task
    Working with systems of linear equations, including inconsistent and dependent systems (G.CO.7, G.CO.8) Congruence, Construction and Proof Module - Task 10
  • Congruent Triangles to the Rescue - Teacher Notes
    Teacher notes for "Congruent Triangles to the Rescue - A Practice Understanding" task. (G.CO.7, G.CO.8) Congruence, Construction and Proof Module - Task 10
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