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Online Math: Geometry Problem 1212: Equilateral Triangle, Equilateral Hexagon, Concurrent Lines. Tiled background image: Intihuatana, Machu Picchu. Level: College, High School.

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The figure shows an equilateral triangle ABC and an equilateral hexagon DEFGHM (D, E are on AB, F, G on BC, and H, M on AC). Prove that lines DG, EH and FM are concurrent.
This entry contributed by Peter Tran.
 

Geometry Problem 1212: Equilateral Triangle, Equilateral Hexagon, Concurrent Lines.
 
 

 

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Last updated: May 11, 2016