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Online Geometry Problem 5. Triangle, Angles, Congruence, Isosceles. Level: High School, Honors Geometry, College, Mathematics Education

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In the figure below, AD = BC, BD = CD, angle A = 3x, and angle DBC = 2x. Find x. Try to use elementary geometry (Euclid's Elements.)

 

Triangle, Angles
 

See also: Art 01


 

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Last updated: Sep 19, 2014