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 Related Terms
 Circumcircle:  The circle that passes through all the vertices of a polygon.
Vertex of a Polygon: The common endpoint of two line segments that serve as two sides of a polygon.
Polygon: A closed figure formed by three or more line segments.
Circle: The set of all points in a plane that are the same distance, called the radius, from a given point, called the center.
Convex: If, when you join any two points inside a figure, the resulting line segment also lies inside the figure, then the figure is convex.
Inscribed Polygon: A polygon is inscribed in a circle if and only if each of its vertices lie on the circle.
Circumcenter: The point of intersection of the perpendicular bisectors of the sides of a given triangle; the center of the circle circumscribed about a given triangle.