Across
- 3. The perpendicular segment from the vertex of a triangle to the line containing the opposite side.
- 5. The point of concurrency of the altitudes of a triangle.
- 7. When three or more lines meet at a point.
- 9. The point of concurrency of the angle bisectors of a triangle.
- 11. A line, segment, or ray that is perpendicular to a segment at its midpoint.
Down
- 1. A ray that divides an angle into two congruent angles.
- 2. The point of concurrency of the perpendicular bisectors of a triangle.
- 4. A segment whose endpoints are the vertex of a triangle and the midpoint of the opposite side.
- 6. A segment that joins the midpoints of two sides of a triangle.
- 8. The point of concurrency of the medians of a triangle.
- 10. The point at which three or more lines meet.