Across
- 4. A segment, line, or plane that intersects a segment at its midpoint.
- 6. A location with no size or shape.
- 7. Two segments that are the same length.
- 8. A line that extends indefinitely in one direction.
- 11. Two lines that never intersect.
Down
- 1. A measurable part of a line consisting of two endpoints.
- 2. Points that lie on the same line.
- 3. Two lines that intersect at a 90' angle.
- 5. Points that lie on the same plane.
- 9. Made up of points with no thickness or width.
- 10. A flat surface made up of points and extends indefinitely in all directions.
