Geometry Definitions

6. Line or segment that divides a segment into two congruent parts and is perpendicular to the segment
8. The point at which the three angle bisectors in a triangle meet
9. Indefinite; made up of points; no thickness or width
11. The point at which the three medians in a triangle intersect
13. Measurable part of a line containing 2 endpoints
14. A line that extends indefinitely in one direction

1. The point at which the three perpendicular bisectors in a triangle intersect
2. Two lines that never intersect
3. A line or segment that connects the vertex of a triangle to the midpoint of the opposite side
4. Two lines that intersect at a 90 degree angle
5. The point at which the three altitudes in a triangle intersect
7. Perpendicular line or segment that goes from the vertex of a triangle to the opposite side
10. A location with no size or shape
12. A line, segment or ray that dives an angle into 2 congruent parts