Using dilation to show the sum of the angles in a triangle

Using dilation, this applet will show the sum of the angles in a triangle is 180°.

 

Duane Habecker

 
Resource Type
Activity
Tags
triangle 
Target Group (Age)
11 – 14
Language
English (United States)
 
 
GeoGebra version
4.2
Views
2954
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