When P is located on a vertex
of triangle ABC, the Pedal Triangle formed is a degenerate triangle.
This degenerate triangle is formed on the side opposite to P and
is non-existant when the measure of angle ACB is less than 90
degrees. When the measure of angle ACB is equal to 90 degrees,
the degnerate traingle is the same length as the line AB on which
it is located.
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