Gergonne triangle

Let ABC be a triangle and D,E,F where the incircleMathworldPlanetmath touches the sides BC,CA,AB respectively. Then triangle DEF is called the Gergonne triangle or contact triangle of ABC.

Title Gergonne triangle
Canonical name GergonneTriangle
Date of creation 2013-03-22 12:11:14
Last modified on 2013-03-22 12:11:14
Owner drini (3)
Last modified by drini (3)
Numerical id 6
Author drini (3)
Entry type Definition
Classification msc 51-00
Synonym contact triangle
Related topic Triangle
Related topic GergonnePoint
Related topic Incircle
Related topic IncenterMathworldPlanetmath
Related topic Centroid
Related topic Grafix