Exterior Angle of a Triangle

Simple worksheet to demonstrate how the exterior angle of a triangle equals the sum of the opposite interior angles by direct manipulation.
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wessen —

 
Resource Type
Activity
Tags
angle  exterior  triangle 
Target Group (Age)
11 – 14
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
1453
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License
CC-BY-SA, GeoGebra Terms of Use
 
 
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