Across
- 3. grads angle unit
- 6. arcminute, 1° = 60′
- 7. arc from point A to point B
- 8. arcsecond, 1′ = 60″
- 10. infinite line
- 11. formed by two rays
- 12. same shapes, not same size
- 15. equivalence of geometric shapes and size
Down
- 1. the line with 90° angle
- 2. radians angle unit
- 4. 1 turn = 360°
- 5. line from point A to point B
- 9. two lines that does not meet each other
- 13. triangle shape
- 14. The ____ between points x and y