Demonstrations 1 - 20 of 224

On Which Side of a Directed Line Is a Point?New this week | Brianchon's TheoremNew this week | Angle of Intersection of Two CirclesNew this month | Doyle SpiralsNew this month | Random Walks in Platonic and Archimedean PolyhedraNew this month |

Multiple Reflections in Two MirrorsNew this month | The Insphere and Circumsphere of a TetrahedronNew this month | Rotating PythagorasNew this month | The Pedal and Antipedal TrianglesNew this month | Nearest in a CrowdNew this month |

Exact Trilinear CoordinatesNew this month | Orthologic TrianglesNew this month | |||