represents a circle of radius r centered at .

gives a circle of radius 1.

gives an axis-aligned ellipse with semi-axes lengths and .

gives a circular or ellipse arc from angle to .


  • Circle with its different parameter settings is also known as arc, circular arc, semicircle, and ellipse.
  • Circle can be used as a geometric region and a graphics primitive.
  • Circle[] is equivalent to Circle[{0,0}]. »
  • Circle represents the curve .
  • Angles are measured in radians counterclockwise from the positive x direction.
  • Circle can be used in Graphics.
  • In graphics, the point and radii r and can be Scaled, Offset, ImageScaled, and Dynamic expressions.
  • Graphics rendering is affected by directives such as Thickness, Dashing, and color.
Introduced in 1991
| Updated in 2014
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