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Online Geometry Problem 8. Triangle, Angles, 90 Degrees, Congruence, Auxiliary Lines. Level: High School, Honors Geometry, College, Mathematics Education

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In the figure below, AB = BC = AD, angle B = 90, angle CAD = x and angle ACD = 45 - x. Find x. Try to use elementary geometry (Euclid's Elements.)

 

Geometry Problem: Congruence
 

See also: Art 01


 

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Last updated: Sep 19, 2014