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SSS (Side-Side-Side) Congruence Postulate
If three sides of one triangle are equal to three sides of another triangle, the triangles are congruent.
SAS (Side-Angle-Side) Congruence Postulate
If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, the triangles are congruent.
ASA (Angle-Side-Angle) Congruence Postulate
If two angles and the included side of one triangle are equal to two angles and the included side of another triangle, the triangles are congruent.
AAS (Angle-Angle-Side) Congruence Theorem
If two angles and a non-included side of one triangle are equal to two angles and the corresponding non-included side of another triangle, the triangles are congruent.