
6.  A polygon such that no line containing a side of the polygon contains a point in the interior of the polygon. 
8.  The distance around a circle. 
9.  The measure of a ________ arc is the difference between 360° and the measure of its associated minor arc. 
11.  The set of all points in a plane that are equidistant from a given point, called the center. 
12.  A plane figure that meets the following two conditions. (1) It is formed by three or more segments called sides, such that no two sides with a common endpoint are collinear. (2) Each side intersects exactly two other sides, one at each endpoint. 
13.  A ________ ratio is a ratio of the lengths of two sides of a right triangle. 


1.  The measure of a ________ arc is the measure of its central angle. 
2.  A ________ probability is a probability that involves a geometric measure such as length or area. 
3.  The ________ of a polygon is the center of its circumscribed circle. 
4.  A polygon that is equilateral and equiangular. 
5.  A polygon with number of sides n. 
7.  The ________ of a polygon is the distance from the center of a polygon to any side of the polygon. 
8.  A polygon that is not convex is called a nonconvex or ________ polygon. 
10.  A portion of the circumference of a circle. 