Three squares sharing two vertices. Prove that the three red vertices are collinear.
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Solution

Three squares sharing two vertices. Prove that the three red vertices are collinear.
Scroll down for a solution to this problem.
Three squares sharing two vertices. Prove that the three red vertices are collinear. https://t.co/FK1GcJjkFi pic.twitter.com/SkLbz6VFN0
— Mirangu (@Mirangu1) October 11, 2023