Four incenter lie on a circle in Bicentric quadrilateral

Let ABCD be a bicentric quadrilateral, O is center of circle (ABCD). Then Incenter of four triangles OAB,OBC,OCD,ODA lie on a circle

 

Đào Thanh Oai

 
Resource Type
Activity
Tags
circle  collinear  dao  incircle  midpoints  oai  perpendicular  quadrilateral  reflection  tangential  thanh thebault triangle Show More…
Target Group (Age)
19+
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
1134
Report a problem
 
 
© 2018 International GeoGebra Institute