A generalisation of the nine-point circle and Euler line

To most people, including some mathematics teachers, geometry is synonymous with ancient Greek geometry, especially as epitomised in Euclid's Elements of 300 BC. Sadly, many are not even aware of the significant extensions and investigations of Apollonius, Ptolemy, Pappus, and many others unti...

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Bibliographic Details
Main Author: Michael de Villiers
Format: Article
Language:English
Published: AOSIS 2005-10-01
Series:Pythagoras
Online Access:https://pythagoras.org.za/index.php/pythagoras/article/view/112