Problem of the Week
The Measure of A-------4/2/07-------
Vertex A of acute triangle ABC is equidistant from circumcenter O and the orthocenter H. Determine all possible values for the measure of angle A.
(IMO 1989)
Vertex A of acute triangle ABC is equidistant from circumcenter O and the orthocenter H. Determine all possible values for the measure of angle A.