Kinematic proof Fermat point

Kinematic method is used to prove that the lines connecting outside vertices of equilateral triangles with the opposite vertex of the original triangle form an angle of 120˚.
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Resource Type
Activity
Tags
fermat  kinematic  method  point 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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1248
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