Across
- 6. Two angles that add together to equal 180°.
- 10. Two angles that together form a line.
- 14. A flat figure that has to be closed with sides.
- 18. A point, line, or plane cuts a segment into equal parts.
- 20. The unit of measure for an angle.
- 21. The zero value of a protractor.
- 23. A point, line, or plane that divides into two equal parts.
- 24. An angle that measures 90°.
- 25. The name for the shared endpoint of an angle.
- 27. Two angles that add together to equal 90°.
- 28. A dot that does not actually have any size.
- 29. Points that lie on the same line.
- 30. Two angles opposite across the vertex.
- 31. Points that do not lie in the same line.
Down
- 1. An angle that measures less than 90°.
- 2. On the same plane.
- 3. Points that stop a line from continuing on.
- 4. The figure with two rays with the same endpoint.
- 5. A line with arrowheads on each side.
- 7. used to measure angles.
- 8. A ray that divides an angle into two equal parts.
- 9. Two lines that will never cross.
- 11. Two intersecting lines that create four 90° angles.
- 12. A grid used to plot points.
- 13. A line with endpoints on each side.
- 15. To have the same measure.
- 16. Two angles that share a ray, or common side.
- 17. Two lines that cross.
- 19. A point that lies between two enpoints.
- 22. The point that is in the exact middle.
- 24. A line with one endpoint and one arrowhead.
- 26. An angle that is greater than 90° and less than 180°.