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JOURNALS // Mathematical Education // Archive
Math. Ed., 2012 Issue 2(62), Pages 24–40 (Mi mo215)
Students and teachers of secondary school

Euler Straight Lines and Feierbach Points

E. D. Kulanin, N. Shihova


Abstract: Properties of the three straight lines which connect the touch points of the inscribed circle of a triangle are studied. The similar lines which connect the touch points of the external inscribed circles are also considered.


© Steklov Math. Inst. of RAS, 2024