Plane Geometry

Demonstrations 1 - 20 of 1014

On Which Side of a Directed Line Is a Point?New this week | Brianchon's TheoremNew this month | Angle of Intersection of Two CirclesNew this month | Multiple Reflections in Two MirrorsNew this month | The Pedal and Antipedal TrianglesNew this month |

Exact Trilinear CoordinatesNew this month | Orthologic TrianglesNew this month | Constructing a Steiner Tree for Five PointsNew this month | ||