
3.  Each endpoint of a side of a polygon is called a ________ of the polygon. 
5.  An ________ trapezoid is a trapezoid with congruent legs. 
7.  An ________ polygon is a polygon with all its interior angles congruent. 
10.  A quadrilateral with both pairs of opposite sides parallel. 
12.  A polygon that is equilateral and equiangular. 
13.  The ________ of a polygon is a segment that joins two nonconsecutive vertices of a polygon. 
14.  A point is ________ from two points if its distance from each point is the same. 


1.  A quadrilateral that has two pairs of consecutive congruent sides, but in which opposite sides are not congruent. 
2.  A polygon such that no line containing a side of the polygon contains a point in the interior of the polygon. 
4.  A parallelogram with four right angles. 
6.  An ________ polygon is a polygon with all its sides congruent. 
8.  The two pairs of angles whose common side is the base of the trapezoid. 
9.  A parallelogram with four congruent sides and four right angles. 
11.  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. 