G.SC.5
Develop and apply the criteria for triangle congruence (ASA, SAS, AAS, SSS, and HL) to solve problems and prove geometric relationships.
Khan Academy ResourcesTriangle congruence reviewJustify triangle congruenceFind angles in isosceles trianglesIsosceles & equilateral triangles problemsProving the SAS triangle congruence criterion using transformationsProving the SSS triangle congruence criterion using transformationsProving the ASA and AAS triangle congruence criteria using transformations

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