Google ClassroomGoogleクラスルーム
GeoGebraGeoGebra Classroom
GeoGebra

Concyclic points

作成者:Lamberto Lamberti
The figure shows a triangle ABC, if A, D, E, G are concyclic and B,D,E,I are concyclic, proof that C,E,I,G are concyclic. http://www.gogeometry.com/school-college/p915-triangle-circle-cyclic-quadrilateral-concyclic.htm

新しい教材

教材を発見

トピックを見つける