Sum of angles of a triangle: the proof

Very classical picture. Based in part on the work by Andy Talmadge.

 

Ilya V. Schurov

 
Materialtyp
Aktivität
Tags
angle  parallel-lines  triangle-angle-sum 
Zielgruppe (Alter)
6 – 19+
Sprache
English
 
 
GeoGebra Version
5.0
Ansichten
1739
Kontaktiere Autor des Materials
 
 
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