Paulus Gerdes
Paulus Gerdes, African Pythagoras. A Study in Culture and Mathematics Education. Maputo, Instituto Superior Pedagogico, Mocambique 1994.
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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. ...
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Let ABC be a trangle and D1, D2, D3 the feet of the internal angle bisectors [D1D2D3 = the cevian triangle of the incenter I] Prove that th...
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Thanasis Gakopoulos - Debabrata Nag, Morley Theorem ̶ PLAGIOGONAL Approach of Proof Abstract: In this work, an attempt has been made b...
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