Fun with Reuleaux Triangles

Math Monday came early this week, and we had some fun exploring Reuleaux triangles. Next to a circle, they're the simplest curve of constant width you can make, which basically means you can roll a plank on top of them as smoothly as on wheels. The kids didn't expect that one!

Details here: http://www.thefrankes.com/wp/?p=2518

Music: "260809 Funky Nurykabe" by spinningmerkaba (CC-BY 3.0)
http://ccmixter.org/files/jlbrock44/2...

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