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