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Online Geometry Problem 10, Art 01. Triangle, Angles, 80 and 20 degrees, Congruence, Auxiliary Lines. PicSketch for iPad

In the figure below, AB = CD, angle A = 80 degrees and angle C = 20 degrees. Find x. Try to use elementary geometry (Euclid's Elements.) 

PicSketch Artwork Geometry Problem 10, Art 01, Triangle, Angles

See also: Art 00


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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