Properties of Special Quadrilaterals

Use GeoGebra to investigate each of the special types of quadrilaterals.  For each type, make a conjecture about the properties of the figure.  Then move the vertices and determine if the properties hold for all figures of that type.

1. Parallelogram: Please install Java 1.4 (or later) to use this page.
2. Rhombus: Please install Java 1.4 (or later) to use this page.
3. Rectangle: Please install Java 1.4 (or later) to use this page.
4: Square: Please install Java 1.4 (or later) to use this page.
5. Kite: Please install Java 1.4 (or later) to use this page.
6. Trapezoid: Please install Java 1.4 (or later) to use this page.
7. Isosceles Trapezoid: Please install Java 1.4 (or later) to use this page.

Michelle Krummel, August 20, 2010, Created with GeoGebra