Across
- 3. 180°
- 5. more than 0° less than 90°
- 7. 360°
- 8. more than 90° less than 180°
- 10. lines which intersect
- 11. has two end points
- 12. has only one end point
Down
- 1. 90°
- 2. never meet each other
- 4. more than 180° less than a whole
- 6. neverending
- 9. meets each other