# pedal triangle

The pedal triangle of any triangle $\triangle ABC$, is the triangle whose vertices are the feet of perpendiculars from $A$, $B$ and $C$ to their opposite sides in $\triangle ABC$.

In this figure, the $\triangle DEF$ is the pedal triangle of $\triangle ABC$.

In general, for any point $P$ inside a triangle, the pedal triangle of $P$ is a triangle whose vertices are the feet of perpendiculars from $P$ to the sides of the triangle.

In the following figure, the $\triangle D^{\prime}E^{\prime}F^{\prime}$ is the pedal triangle of $P$ in $\triangle ABC$.

Title pedal triangle PedalTriangle 2013-03-22 13:08:28 2013-03-22 13:08:28 CWoo (3771) CWoo (3771) 8 CWoo (3771) Definition msc 51-00