tangential to tangential quadrilateral

ABCD is cyclic quadrilateral, (E),(F),(G),(H) are incircle circle of for small triangle. M,N,P,Q are intersection of four line are reflection of AC on FE, AC on HG ; and BD on FG, BD on EH. Then M,N,P,Q are tangential quadrilateral.

 

Đào Thanh Oai

 
Material Type
Activity
Tags
thebault  tangential  circle  quadrilateral  triangle  collinear  midpoints  perpendicular  dao  thanh  oai incircle Show More…
Target Group (Age)
19+
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
1049
Report a problem
 
 
© 2018 International GeoGebra Institute