Euclid's Elements - Book III, Proposition 9

If from a point inside a circle three or more congruent line segments can be drawn between the point and the circle at one time, then the point is the center of the circle.

 

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Resource Type
Activity
Tags
circle  element  euclid 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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