The sum of the angles in a triangle

This applet demonstrates that the sum of the angles in a triangle is always 180°.

 

Duane Habecker

 
Materiaaltype
Werkblad
Tags
180  angle  angles  sum  triangle 
Doelgroep (leeftijd)
11 – 14
Taal
English (United Kingdom)
 
 
 
© 2026 International GeoGebra Institute