|
The pedal triangle of any triangle
 , is the triangle whose vertices are the feet of perpendiculars from  ,  and  to their opposite sides in
.
In this figure, the
 is the pedal triangle of
.
In general, for any point  inside a triangle, the pedal triangle of is a triangle whose vertices are the feet of perpendiculars from to the sides of the triangle.
In the following figure, the
 is the pedal triangle of in
.
| 
