Your pizza slices?

When I was in highschool, the cafeteria made pizza by just rolling up the long ends of a rectangle of dough and cutting it into trianges. Same effect as your pizza box.

A much more efficient way to make pizza with approximately the same result.

There is a math equation here somewhere... Nice pi though.

nom nom nom

what are these leftovers you speak of?

Deriving the area of a circle by constructing a rectangle with the same area: