Angles at centre and cirumference of circle

By dragging the points A, B and C, what can you infer about the relationships of the angles? Can you use algebra to prove that this relationship is always true?
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yijie91 —

 
Resource Type
Activity
Tags
angle  circ  circle  circle-angles  circle-geometry-investigations 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.0
Views
2180
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License
CC-BY-SA, GeoGebra Terms of Use
 

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