G-CO.7
Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.
Khan Academy ResourcesDilations: scale factorDilate trianglesSimilarity & transformationsDilations and propertiesCorresponding parts of congruent triangles are congruentTriangle congruence postulates/criteriaWhy SSA isn't a congruence postulate/criterionAngle congruence equivalent to having same measureDilations: scale factorRigid transformations introSegment congruence equivalent to having same lengthSimilar shapes & transformations

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