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# Chapter 8

### Congruence of Triangles

TermDefinition
Congruent Line Segments line segments that have the same length
Congruent Angles angles that are equal in measure
Corresponding Sides sides that have the same relative positions in geometric figures
Corresponding Angles angles that have the same relative positions in geometric figures
SSS Congruence Theorem (Side-Side-Side) if three sides of one triangle are congruent to the corresponding sides of another triangle, then the triangles are congruent
Included Angle the angle formed by two sides of a triangle
SAS Congruence Theorem (Side-Angle-Side) if two sides and the included angle of one triangle are congruent to the corresponding two sides and included angle of a second triangle, then the triangles are congruent
Included Side the line segment between two angles of a triangle
ASA Congruence Theorem (Angle-Side-Angle) if two angles and the included side of one triangle are congruent to the corresponding two angles and the included side of another triangle, then the triangles are congruent
AAS Congruence Theorem (Angle-Angle-Side) if two angles and a non-included side of one triangle are congruent to the corresponding angles and the corresponding non-included side of a second triangle, then the triangles are congruent
Created by: cbaumler