GEOMETRY
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Quick Reference

Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
 

Chapter 5: Polygons and Quadrilaterals

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5.1  Polygons and Quadrilaterals

Polygon Names

This site lists the names of polygons with the number of their sides.

Polygon Properties

This site defines polygons, lists their names, and gives their formulas.

Polygon Basics

This site defines polygons and gives their properties.

5.2  Angles of Polygons

Polygon Properties

This site defines polygons, lists their names, and gives their formulas.

Polygon Basics

This site defines polygons and gives their properties.

5.3  Properties of Quadrilaterals

Quadrilaterals and Other Polygons

This site has examples and problems for the students to solve that involve quadrilaterals and other polygons.

Quadrilaterals

This site defines quadrilaterals and lists the five most common types.

5.4  Parallelograms

Quadrilaterals

This site defines quadrilaterals and lists the five most common types.

Parallelogram

This site defines parallelograms, shows how to find the perimeter and area, and has practice problems for students.

5.5  Special Parallelograms

Quadrilaterals

This site defines quadrilaterals and lists the five most common types.

Parallelogram

This site defines parallelograms, shows how to find the perimeter and area, and has practice problems for students.

5.6  Trapezoids

Trapezoid

This site defines trapezoids, shows how to find the perimeter and area, and has practice problems for students.

For use to extend the chapter:

Centroids in a polygon

This site shows the centroids in a polygon.