Definition:Circumscribe/Circle around Polygon

Definition
A circle is circumscribed around a polygon when its circumference passes through each of the vertices of that polygon:


 * Circumscribe.png



Not all polygons can be circumscribed.

Here is an example of one that cannot:


 * Circumscribe-not.png

Also known as
The more archaic circumscribed without can sometimes be seen, as well as circumscribed outside and circumscribed about.

Also see
Note that such a polygon can also be described as being inscribed in the circle.




 * Definition:Circumcircle
 * Definition:Circumcircle of Triangle


 * Triangle has Unique Circumcircle