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Geometry
Problem 5 with Solution: Triangle, Angles, Congruence, Isosceles.
Level: High School, College,
Math 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.)
See solution below
See
also:
Art 01
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