Σάββατο 27 Μαΐου 2023

GEORGE L. GIBSON (Publisher)

LETTER

BOOK


David Blatner, The Joy of π. Walker Publishing Company, Inc. 1997

Mail Antreas P. Hatzipolakis

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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. ...