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The figure below shows equilateral triangles ABC and DEF, so that M is the midpoint of AC and DE, respectively. Prove that (1) AD is perpendicular to BF, (2) . This entry contributed by Ajit Athle.

Home | Search | Geometry | Problems | All Problems | Open Problems | Visual Index | 10 Problems | Problems Art Gallery | Art | 921-930 | Triangle | Equilateral Triangle | Perpendicular | Midpoint | by Antonio Gutierrez

Add a Solution to the Problem 926