Let AH_1, BH_2 , and CH_3 be the altitudes of an acute scalene triangle ABC
The incircle of triangle ABC is tangent to BC,CA, and AB at T_1,T_2, and T_3, respectively
For i =1, 2, 3 let P_i be the point on line H_i H_i+1 (where H_4 = H_1) such that H_i T_i P_i is an acute isosceles...