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Notes on the nine-point circle, the Simson line and related topics

Mihai Caragiu -

NOTES ON THE NINE POINT CIRCLE, THE SIMSON LINE AND RELATED TOPICS (

Mathematics Bonus Files - April 17, 2009).

ABSTRACT:

These notes are based on the proofs of the nine point circle and the Simson line theorems prepared by the author for the 2006 and 2007 Summer Honors Institute camps held at the Ohio Northern University, and on the author’s 2007 October 26 talk presented at the Ohio MAA Fall Meeting held at Wittenberg University.