Across
- 3. two dimensional surface that extends infinitely far on the x and y axis
- 5. two lines that intersect at a right angle
- 7. the middle of a line segment
- 10. a piece of a line having two endpoints
- 11. a set of lines that stretch forever and never touch
Down
- 1. three lines that intersect in one line
- 2. a set of points in the same plane
- 4. a line or a segment perpendicular to a segment that passes through the midpoint of the segment
- 6. a precise location on a line usually represented by a dot
- 8. points that are lying in a straight line
- 9. a figure formed by two rays at a common endpoint
- 12. a part of a line that has one endpoint and stretches infinitely in one direction
- 13. a long narrow mark or band