**Let triangle ABC be any triangle.
Then if P is any point in the plane, then the triangle formed
by constructing perpendiculars to the sides of ABC locate three
points R, S, and T that are the intersections.**

**Triangle RST is the Pedal Triangle
for Pedal Point P.**

**Click
here**** to obtain the
GSP script for the general construction of a pedal triangle to
triangle ABC where P is any point in the plane of ABC.**