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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Tipo de recurso
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circle  element  euclid 
Grupo destino (edad)
15 – 18
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English (United States)
 
 
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