I Heart Cardioids | National Math Festival
I Heart Cardioids

I Heart Cardioids

Roll a circle around another circle of the same radius. A marked point on the first circle traces a curve called a cardioid. Mathematician Dave Richeson of Dickinson College, known as @divbyzero on Twitter, shares some fun explorations of this beautiful heart-shaped curve, which shows up in some of the most unexpected places.

Activities include printables to make your own cardioid curve and a flipbook animation, and of course, more about the math behind the curve!

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