Across
- 2. arc from point A to point B
- 5. =90°
- 6. infinite line
- 8. same shape but not same size
- 11. line from point A to point B
- 12. arcsecond 1' = 60''
- 13. =3.141592654
- 15. parallel lines
Down
- 1. radians angle unit
- 3. 1 turn = 360°
- 4. grads angle unit
- 7. perpendicular line ( 90° angles)
- 9. formed by two rays
- 10. arcminute 1° = 60'
- 14. line that start from point A