1. a circle that passes through all the vertices of a polygon
Usage: geometry

Examples

• The circumcircle of a triangle passes through all three vertices.
• To construct the circumcircle, find the perpendicular bisectors of the triangle’s sides.
• The center of the circumcircle is called the circumcenter.
• Every triangle has exactly one circumcircle.
• The radius of the circumcircle can be calculated using the triangle’s side lengths.
• In geometry class, we learned to draw the circumcircle of various polygons.