Across
- 3. / 90 degree angle
- 4. / is a portion of the circumference of the circle
- 8. / two angles that have a common side and a common vertex
- 13. / angles opposite and outside
- 16. / when the hypothesis and conclusion are reversed
- 18. / is the line segment that divides the angle into two equal parts
- 19. / two lines never meet
- 20. / greater than 90 less than 180
- 21. / 180 degree angle
- 22. / highest point
- 24. / less than 90
- 25. / Two angles that are adjacent and supplementary, form a straight line.
Down
- 1. / any pair of angles each of which is on the same side of one of two lines cut by a transversal
- 2. / any two angles whose sum is 180
- 5. / any two angles whose sum is 90
- 6. / identical in form
- 7. / two angles that are on the same side and inside
- 9. / defined so that a full rotation is 360
- 10. / two lines that intersect
- 11. / tool used to measure angles in degree
- 12. / angles opposite each other where two lines cross
- 14. / is a line that passes through two lines in the same plane at two distinct points
- 15. / angles opposite and inside
- 17. / more than 180 less than 360
- 23. / <abc