NC.M2.G-CO.8: Use congruence in terms of rigid motion. Justify the ASA, SAS, and SSS criteria for triangle congruence. Use criteria for triangle congruence (ASA, SAS, SSS, HL) to determine whether two triangles are congruent.

Use congruence in terms of rigid motion. Justify the ASA, SAS, and SSS criteria for triangle congruence. Use criteria for triangle congruence (ASA, SAS, SSS, HL) to determine whether two triangles are congruent.

Khan Academy Resources
Triangle 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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