r1058

Let Ea, Eb, Ec be the excenters. The perpendiculars to the bisectors from Ea, Eb, Ec bound a triangle A*B*C*. Let A2, B2, C2 be the second intersections of A*B*C* with the circle {EaEbEc}. Then AA2, BB2, CC2 concur at X(165).

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