HYACINTHOS 19689

Hi Jean-Louis,

Barycentric
a^2 (b + c) (b^2 + c^2 - a^2) (a^2 (b - c)^2 - a^3 (b + c) + a (b - c)^2 (b + c) - (b^2 - c^2)^2) ::
on lines ...
{19, 51},
{25, 3197},
{40, 185},
{42, 1409, 2357},
{55, 184, 215, 692, 909, 2278, 2302, 2342, 2875, 3270},
{65, 225, 407, 1425, 1426, 1824, 1825, 1834, 1835, 1869},
{71, 228, 2318},
{209, 3198},
{511, 3101},
{1899, 2550}.

Best regards,
Peter Moses.

 

----- Original Message -----
From: Jean-Louis Ayme




Dear Hyacinthists,
The orthic triangle of ABC is perspective with the medial triangle of the extangent triangle of ABC.
What is the center ?
Sincerely Jean-Louis Ayme