Circle
Definition
- The locus of all points in a plane with distance (radius) from center
- A cross section of a cone or cylinder parallel to the base. For more on this, see Dandelin Spheres, a commonly used method of deriving all Conic sections.
- All x, y such that for a circle centered at with radius
Formulas
- Area
- circumference
Other Properties
- awaiting diagrams to add stuff on inscribed angles + tangents.