Online Geometry Problems

Online Geometry Problem 818: Square, Triangle, Angles. Level: High School, SAT Prep, College, Mathematics Education

The figure below shows a square ABCD with lines EA, ED, and ECF. If angle AED = angle AEC = angle EAD/2, find the measure of angle AFE. Try to use elementary geometry (Euclid's Elements).

Problem about the square, triangle, and angles



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