Chapter Six:  
Quadrilaterals

Geometry   Notes

Chapter  6

Section  6.1
Section  6.2
Section  6.3
Section  6.4
Section  6.5
Section  6.6
Section  6.7

Geometry Contents

Take notes on the following topics.

Section 6-2  Properties of Parallelograms

Vocabulary

Consecutive angles (p. 294) Consecutive angles of a polygon share a common side.

Theorem 6-1

Opposite sides of a parallelogram are congruent.

Theorem 6-2

Opposite angles of a parallelogram are congruent.

Theorem 6-3

The diagonals of a parallelogram bisect each other.

Theorem 6-4

If three (or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal.