Let $O$ and $H$ denote the circumcenter and orthocenter of triangle $ABC,$ respectively.  If $AO = AH,$ then enter all possible values of $\angle A$ (in degrees), separated by commas.
Question:
Let $O$ and $H$ denote the circumcenter and orthocenter of triangle $ABC,$ respectively.  If $AO = AH,$ then enter all possible values of $\angle A$ (in degrees), separated by commas.
Answer:
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60^\circ, 120^\circ
Let $O$ and $H$ denote the circumcenter and orthocenter of triangle $ABC,$ respectively.  If $AO = AH,$ then enter all possible values of $\angle A$ (in degrees), separated by commas.
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