Across
- 3. Three points on the same line
- 5. Sum of 180
- 9. Angle less than 90
- 11. Next to
- 13. Reasoning that is observed
- 14. Do not intersect, different planes
- 15. Line with a single endpoint
- 16. An accepted rule
- 17. Intersects at a right angle
Down
- 1. Sum of 90
- 2. Line with two endpoints
- 4. Angles on opposite sides of intersecting lines
- 6. Angle greater than 90 but less than 180
- 7. Length and width but not depth
- 8. Equidistant from all points
- 10. Conclusion based on inductive reasoning
- 12. Angle that is exactly 90 degrees