Across
- 5. - 2 angles sum equal 180 degrees
- 7. arc, arc that is more than 180°
- 9. an angel less than 90°
- 13. Adjacent supplementary angels
- 14. side side side
- 16. two angles across from another.
- 18. arc, arc that is less than 180°
- 19. bisector, a line, ray, or segment that divides an angle into two equal, or congruent, angles.
Down
- 1. part of a line included between two points
- 2. an angel greater than 90°
- 3. the angle created by two rays to the circumference
- 4. a statement that has been proven to be true
- 6. infinite straight lines that do not intersect
- 8. angle side angel
- 10. Angels that sum together to equal 90 degrees
- 11. splits an angle into 2 equal parts
- 12. A line that passes through two lines
- 15. 360° figure
- 17. a long, narrow mark or band.