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 6-4  Special Parallelograms

Theorem 6-9

Each diagonal of a rhombus bisects two angles of the rhombus.

Theorem 6-10

Each diagonal of a rhombus bisects two angles of the rhombus.

Theorem 6-11

The diagonals of a rectangle are congruent

Theorem 6-12

If one diagonal of a parallelogram bisects two angles of the parallelogram, then the parallelogram is a rhombus.

Theorem 6-13

If the diagonals of a parallelogram are perpendicular then the parallelogram is a rhombus.

Theorem 6-14

If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle.