Angles in a triangle add up to 180°

An interactive diagram showing the theorem "Angles in a triangle add up to 180°"

 

John Tranter

 
Tegund námsefnis
Vinnublað
Merkimiðar
angle  angles  geometry 
Markhópur (aldur)
11 – 18
Tungumál
English (United Kingdom)
 
 
 
© 2026 International GeoGebra Institute