Κυριακή 11 Αυγούστου 2013


Postcard sent in 1897 from Salonica, Greece, then Ottoman Empire.

The text is cryptographed (encrypted)

-
Ετικέτες , , , ,

Δεν υπάρχουν σχόλια:

Δημοσίευση σχολίου

Εγγραφή σε: Σχόλια ανάρτησης (Atom)

FOUR POINTS ON THE EULER LINE

Problem by Antreas Hatzipolakis Solution by Francisco Javier García Capitán FOUR POINTS ON THE EULER LINE ETC LISTINGS X(726...

  • EUCLID 4404
  • ETC
    X(5459) Let ABC be a triangle, let A', B', C' be the midpoints of BC, CA, AB. Let L_a be the perpendicular through A' ...
  • HOMOTHETIC TRIANGLES and EULER LINES
    Theorem 1. Let ABC be an equilateral triangle and P a point. The Euler lines of the triangles PBC,PCA,PAB are concurent.Denote the point ...