Chapter Four:  
Congruent Triangles

Geometry   Notes

Chapter  4

Section  4.1
Section  4.2
Section  4.3
Section  4.4
Section  4.5
Section  4.6
Section  4.7

Geometry Contents

Take notes on the following topics.

Section 4-2  Triangle Congruence by SSS and SAS

Postulate 4-1 Side-Side-Side (SSS) Postulate

If three sides of one triangle are congruent to the three sides of another triangle, then the triangles are congruent.

Postulate 4-2 Side-Angle-Side (SAS) Postulate

If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.