Kala - Relationship: Exterior & Interior Angles

Drag the two sliders to transform the angle measures for angle A and B of the triangle. Compare the sum of these angles to the exterior angle at C in the triangle. Is this true for any triangle ABC?

 

Kuruman GeoGebra Intervention Programme

 
Type de ressources
Activité
Balises
Tranche d'âges
9 – 15
Langue
English
 
 
 
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