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See Also: squeezing $\mathbb{R}^n$, curvature of a circle

Other names:  circular
Also defines:  unit circle, radius, radii, perimeter, circumference, three point formula for the circle, center

Attachments:
compass and straightedge construction of center of given circle (Algorithm) by Wkbj79
circle has one center (Theorem) by Wkbj79
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Cross-references: passing through, cofactor expansion, Cramer's rule, left hand side, matrix, determinant, terms, parameters, expressions, polar coordinates, solution, completing the squares, reduced, clear, Cartesian coordinates, equation, analytic, sphere, object, dimensions, ellipse, diameter, interior, area, curve, closed curve, circle has one center, Euclidean norm, Euclidean geometry, foundations, function, even, geometries, congruent, distance, line segment, real number, positive, length, plane, fixed point, points, locus
There are 242 references to this entry.

This is version 11 of circle, born on 2003-05-02, modified 2007-07-03.
Object id is 4236, canonical name is Circle.
Accessed 119579 times total.

Classification:
AMS MSC51-00 (Geometry :: General reference works )

Pending Errata and Addenda
None.
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Discussion
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TODO list for circle by knodeltheory on 2007-07-03 14:31:08
1. Add some remarks about circles in geometries other than the familiar Euclidean geometry.
2. Remove unnecessary linebreaks from source.
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