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?

 

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
2184
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