WU Number 9

David W. Stinson

The following is a construction of the Pedal Triangle of triangle ABC, triangle RST is the Pedal Triangle:


For a GSP script click here.

The following will provide an illustration for when the point P is the Centroid (C), Incenter (IC), the Orthocenter (OR); and the Circumcenter (CC).

For a GSP script click here.

Point P is Centroid:

Point P is Incenter:

Point P is Orthocenter:

Point P is the Circumcenter:


See Assignment Number 9

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