English: circle is the set of all points in a plane at a fixed distance, called the radius , from a fixed point, the centre .
For geometry of circle (conic section), see Category:Circle geometry or Circle (Geometry) . Note: "
• " links are for
plain discs ’ categories. The disc is a set distinct from the circle
English: This shape, the interior of a circle, is called a
disc .
Outlined [ edit ] English: These are
circles proper or, if not to neglect the line thickness, these are
rings .
Annulus [ edit ]
Circle with a slash through it
The Twelve-Mile Circle is an arc of a circle with a twelve-mile radius, with the center of the circle in the center of the town of New Castle, Delaware.
See also category: Circles. 
