Geometry Problem 1349: Three Squares, 90 Degrees, Perpendicular Lines,
Diagonal. Math Infographic.
The figure below shows the
squares ABCD, CDFE, and EFHG. AE and BH intercept at P. Prove using
Euclid's Elements alone that
perpendicular to AE.
Sketch of problem 1349
Problem 1349 using iPad Pro Apps
Poster of problem 1349