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Online Geometry Problem 6, Art 01. Triangle,  Angles, Double-Angle, Congruence. PicSketch for iPad

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

Geometry Problem 6 Art 01, iPad app PicSketch Artwork

See also: original problem 6.


PicSketch - Pencil Sketch & Drawing Photo Filter Effects
PicSketch by Softease Tech Co., Limited is a photo sketch app for iPhone and iPad, to turn photo into a pencil sketch artwork in a few taps.




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Solution / Comment to Geometry Problem 6