

GEOGEBRA CLASSIC PARALELLOGRAM INSTALL
Please make sure that Java 1.4.2 (or later) is installed and active in your browser ( Click here to install Java now)įor some hints and more info go to General formula for interior angle sum Sorry, the GeoGebra Applet could not be started. What you do notice? Can you write down a conjecture?Ģ) Can you EXPLAIN WHY (prove that) your conjecture is true? Drag any of the vertices to change the shape of the crossed quadrilateral dynamically. In other words, it is a quadrilateral with a pair of opposite sides crossing each other.ġ) Consider the marked angles, and their displayed "anglesum =" in the menu on the left. If you have the very latest Java on your PC or Apple Mac, and experience problems with the applets loading, please go here for additional information on Java settings that should resolve the issue.Ī crossed or bowtie quadrilateral ABCD is shown below. If a security pop-up menu appears in your browser, please choose RUN/ALLOW to let the applets run properly.

NOTE: Please WAIT while the applets below load.

Crossed Quadrilateral Properties - GeoGebra Dynamic Worksheet Crossed Quadrilateral Properties
