Across
- 4. has no size; length, width, or height.
- 9. triangle that has all acute angles.
- 10. points that do not lie on the same line.
- 11. angle whose measure is 90 degrees.
- 12. part of a line that consists of two points called endpoints and all points between them.
- 13. angle whose measure is between 0 degrees and 90 degrees.
- 15. angle whose measure is 180 degrees.
- 17. angle whose measure is greater than 90 degrees but less than 180 degrees.
- 18. points that lie on the same plane.
- 19. set of points which has infinite length but no width or height.
Down
- 1. the figure formed by three segments joining
- 2. a point that divides the segment into two congruent segments.
- 3. line, ray segment, or plane that divides a segment into two congruent segments.
- 5. ray that divides an angle into two congruent adjacent angles.
- 6. segments that have the same length.
- 7. set of points that has infinite length and width but no height.
- 8. points that lie on the same line.
- 11. is the part of a line that contains an endpoint and all points extending in the other direction.
- 14. angles that have the same measure.
- 16. points that do not lie on the same plane.