Online Geometry Problems

Dynamic Geometry Problem 887: Triangle, Altitude, Angle Bisector, Perpendicular, Midpoint, Concyclic Points. GeoGebra, HTML5 Animation for Tablets (iPad, Nexus). Levels: School,  College, Mathematics Education

In a triangle ABC, BH is the altitude, AD and CE are perpendicular to the bisector of angle ABC. If G is the midpoint of AC, prove that E, G, D, H are concyclic points.
 


 

Dynamic Geometry of Problem 887
The interactive demonstration above was created with GeoGebra.
 

GeoGebra
GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus application, intended for teachers and students. Many parts of GeoGebra have been ported to HTML5. It has received several educational software awards in Europe and the USA.
 

Geometry Problem 887: Triangle, Altitude, Angle Bisector, Perpendicular, Midpoint, Concyclic Points. GeoGebra, HTML5 Animation for Tablets
 


 

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