Problem #PRU-56541-3

Problems Geometry Plane geometry Circles Inscribed angle Angles supported by congruent arcs and chords

Problem

The vertex \(A\) of the acute-angled triangle \(ABC\) is connected by a segment with the center \(O\) of the circumscribed circle. The height \(AH\) is drawn from the vertex \(A\). Prove that \(\angle BAH = \angle OAC\).