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
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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
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1264
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