My older son was working in Art of Problem Solving’s geometry book this morning. When I asked him what he wanted to talk about for today’s movie he pointed out one of the “extras” in the book. It turned out to be a classic, but very challenging, geometry puzzle. It is interesting to see what it looks like when someone sees a puzzle like this for the first time.

Our discussion this morning was long, but really good (I hope!). The four parts are below:

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