Across
- 2. A line, ray, or segment that passes through the midpoint of a segment.
- 6. Formed by two rays with a common endpoint.
- 8. Lines that intersect to form a right angle.
- 10. Points that lie on the same line.
- 11. A location in space with no size or shape.
- 12. The common endpoint of an angle's rays.
- 15. Two angles whose measures add up to 90 degrees.
- 17. Two non-adjacent angles formed by intersecting lines.
- 18. A part of a line that has one endpoint and extends infinitely in one direction.
- 19. Two angles whose measures add up to 180 degrees.
Down
- 1. An angle that measures exactly 90 degrees.
- 3. A point that divides a segment into two congruent segments.
- 4. Two adjacent angles whose non-common sides form a straight line.
- 5. A ray that divides an angle into two congruent angles.
- 7. An angle that measures exactly 180 degrees.
- 9. A straight path that extends infinitely in both directions.
- 11. A flat surface that extends infinitely in all directions.
- 13. Objects that lie on the same plane.
- 14. A part of a line with two endpoints.
- 16. Lines that are in the same plane and never intersect.