Across
- 4. line that start from point A
- 6. radians angle unit
- 8. arcminute 1°=60
- 9. 1 turn=360°
- 11. prime arcsecond,1=60
- 12. segment line from point A to point B
- 14. triangle shape
Down
- 1. same shapes,not same size
- 2. distance between point x and y
- 3. from point A to point B
- 5. formed by two rays
- 7. infinite line
- 8. parallel lines
- 10. to equivalence of geometric shape and size
- 13. angle 90°