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 4-1  Congruent Figures

Vocabulary

Congruent polygons (p. 180) Congruent polygons are polygons that have corresponding sides congruent and corresponding angles congruent.

 

Theorem 4-1

If two angles of one triangle are congruent to two angles of a second triangle, then the third angles of the triangles are congruent.