Two circle, Two parallel, Three points are collinear.

ABCE is a cyclic quadrilateral, BDFC is a cyclic quadrilateral, AE//DF. AF meets ED at J. AB meets EC at G. DB meets FC at H. Then H,G,J are collinear

 

Đào Thanh Oai

 
Material Type
Activity
Tags
tangential  collinear  three  point  pascal  line  thebault  parallel 
Target Group (Age)
19+
Language
English (United Kingdom)
 
 
GeoGebra version
4.4
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