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?
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yijie91 —

 
Resource Type
Activity
Tags
angle  circle-angles  circle-geometry-investigations 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
3.2
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2084
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CC-BY-SA, GeoGebra Terms of Use
 

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