In a square ABCD (AB = 4), inscribed circle O cuts arc BD of center A at E and F. OH is perpendicular to EF. Find OH.

Home | Search | Geometry | Problems | All Problems | Open Problems | Visual Index | 10 Problems | Problems Art Gallery | Art | 871-880 | Triangle | Square | Circle | Circle Inscribed in a Square | Common Chord | Perpendicular | Solution / comment | By Antonio Gutierrez