It's all about the sides, folks!
Let's face it, the circumference is just a circle's way of pretending to be interesting. But no, no, no. The real magic happens when the sides get weird and wonderful.
Take this pyramid, for instance: it's got 8 sides, and each one is a portal to a different dimension! The circumference might be nice and smooth, but the sides? The sides are where it's at!
Want to know more? Click on this link to learn why the sides are superior: Sides Over Circumference