Wednesday, November 03, 2010

"Proof" that the sum of the angles in a triangle is equal to 180 degrees

I made this simple applet to show everyone why the sum of the angles in a triangle is excatly 180 degrees. You can also move points A, B and C. I hope you like it ;)




Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)


Made with GeoGebra

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