Angles in the same segment

What is the relationship between the pair of angles shown? Is it possible to prove algebraically that this relationship will always hold true in a circle?

 

yijie91 —

 
Type de ressources
Activité
Balises
angle  circle-angles  circle-geometry-investigations 
Tranche d'âges
15 – 18
Langue
English (United Kingdom)
 
 
Version GeoGebra
3.2
Vues
2573
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