
1.  The point of ________ is the point of intersection of two concurrent lines. 
4.  The ________ of a triangle is a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side. 
6.  To have one or more points in common. 
8.  The ________ of a triangle is the point of concurrency of the angle bisectors of a triangle. 
9.  The point that divides, or bisects, a segment into two congruent segments. 
10.  The ________ of a triangle is the perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side. 
11.  A point is ________ from two points if its distance from each point is the same. 
12.  The ________ of a triangle is the point of concurrency of the perpendicular bisectors of the triangle. 


1.  ________ segments are segments that have the same length. 
2.  Three or more lines that intersect in the same point. 
3.  The ________ of a triangle is the point of concurrency of the medians of a triangle. 
5.  The ________ of a triangle is a segment that connects the midpoints of two sides of a triangle. 
7.  The ________ of a triangle is the point of concurrency of the lines containing the altitudes of a triangle. 