Κυριακή 23 Αυγούστου 2026

ORTHOLOGIC CENTERS

Let ABC be a triangle and P a point on the McCay cubic K003.

Denote:

Pa = the reflection of P in BC
P1 = the reflection of Pa in PA
Similarly P2, P3

ABC, P1P2P3 are orthologic. (Euclid 10089)

Which are the orthologic centers for P
1. I = X(1) ?
2. O = X(3) ?

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ORTHOLOGIC CENTERS

Let ABC be a triangle and P a point on the McCay cubic K003 . Denote: Pa = the reflection of P in BC P1 = the reflection of Pa in PA Sim...

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