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Infographic Geometry Problem 926: Two Equilateral Triangles, Midpoint, Perpendicular, Metric Relations. Level: High School, College, Mathematics Education

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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) Equilateral triangle, formula to prove. This entry contributed by Ajit Athle.

 

Infographic Geometry Problem 926: Two Equilateral Triangles, Midpoint, Perpendicular, Metric Relations


 

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