One more....

HaHbHc = the orthic triangle.

(N1) = the circle (Ha, HaN) ie the circle with center Ha and radius HaN =R/2

Similarly (N2),(N3)

A'B'C' = the triangle bounded by the radical axes of

((O),(N1)),((O),(N2)),((O),(N3)).

Are the triangles HaHbHc, N1N2N3 perspective?

aph

On Wed, Feb 20, 2013 at 1:29 PM, Antreas <anopolis72@...> wrote:

> **

>

>

> I am not sure If I have already posted this:

>

> Let ABC be a triangle, (N1),(N2),(N3) the reflections of

> (N)[=NPC] in OA,OB,OC, resp. and A'B'C' the triangle bounded

> by the radical axes of ((O),(N1)),((O),(N2)),((O),(N3)).

>

>

> Are N1N2N3, A'B'C' perspective?

>

> APH

>

> __

>

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