The Excircles and the Nagel Point

The sketch below shows the four tritangent circles (the incircle and the three excircles). The Nagel point is the point of currency of the segments from the point of concurrency of each side to the vertex of the opposite side.
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Steve Phelps —

 
Resource Type
Activity
Tags
geometry  triangle 
Target Group (Age)
14 – 18
Language
English
 
 
GeoGebra version
5.0
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4806
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