The Feuerbach Theorem and the Feuerbach Point

The Feuerbach Theorem states that the nine-point circle is internally tangent to the incircle and externally tangent to the three excircles. The Feuerbach point is the point of tangency between the incircle and nine-point circle.
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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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4754
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CC-BY-SA, GeoGebra Terms of Use
Derived Resources
Feuerbachova točka in trikotnik
Shared by Alema Asambo
 

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