Circle Geometry
Subpages:
Euclidean Trigonometry
Eccentric Elliptical Ellipses
Pi, Pi, Pi: The Tragic Tale of Irrational Numbers
Random Circle Facts
Circles are round in shape, but their points are not.
The circle has no beginning or end, much like your aunt's gossip.
Circles are the result of a 3D sphere cut in half, much like your friend's haircut.