Euclidean constructions have much in common with origami

In my last column, I discussed the compass-and-straightedge constructions everyone learns to do in geometry. Such constructions were how the ancient Greeks approached geometry: for many of them, a figure simply didn’t exist if they couldn’t construct it with these two tools. That’s especially true of Euclid, the father of geometry. It turns out that Euclidean constructions have much in […]

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