3th Seven circles theorem

Three green circles tangent them self and tangent Black circle. Three red, one of them tangent black circle and tangent two green circle. Show that: A_1,A_2,A_3,A_4,A_5,A_6 lie on a circle
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Đào Thanh Oai —

 
Resource Type
Activity
Tags
center  circle  concurrent  nice  pascal  seven  tangential  thebault  theorem  very 
Target Group (Age)
14 – 18
Language
English (United States)
 
 
GeoGebra version
4.4
Views
1502
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CC-BY-SA, GeoGebra Terms of Use
 
 
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