Σάββατο 17 Μαρτίου 2012

HOW THEY DO GEOMETRY IN CHINA

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Εγγραφή σε: Σχόλια ανάρτησης (Atom)

REGULAR POLYGONS AND EULER LINES

Let A1A2A3 be an equilateral triangle and Pa point. Denote: 1, 2, 3 = the Euler lines of PA1A2,PA2A3, PA3A1, resp. 1,2,3 are concurrent. ...

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