


The Simson Line, Theorems and
Problems  Table of Content




Simson Line. A proof
of Simson line with animation.


Angle between two
Simson Lines. Proof with animation.
Transversal line. 

Interactive
Simson Line.
Dynamic Geometry.
StepbyStep construction, Manipulation, and animation.
Collinear Points. 

Geometry Problem 1167.
Triangle, Circle, Circumcircle, Perpendicular, 90 Degrees, Collinear Points. 

Geometry Problem
1059.
Triangle, Circumcircle, Orthocenter, Altitude, Perpendicular, Reflection of a Point over a Line, Collinear Points, Simson Line, Congruence. 

Geometry Problem 678.
Triangle, Simson Line, Circumcircle, Tangent, Parallel, Perpendicular, Collinear Points. 

Problem 493.
Right Triangle, Circumcircle, Perpendicular, Chord. 

Collinear Points.
Theorems and Problems
Simson Line. 

Transversal Lines. 

Perpendicular lines.
Simson Line. 

Triangles. 

Circles. 

Cyclic Quadrilateral.
Simson Line. 






