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Online Math: Geometry Problem 1042: Scalene Triangle, Isosceles, Equal Angles, Parallelogram, Congruence. Level: School, College.

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The figure below shows a triangle ABC and triangles ADB, BEC, and AFC so that angles DAB, ABD, CBE, ECB, FAC, and ACF are equal. Prove that BEFD is a parallelogram.

  

Geometry Problem 1042: Scalene Triangle, Isosceles, Equal Angles, Parallelogram, Congruence


 

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Last updated: Sep 19, 2014