Across
- 1. gradians / gons
- 6. perpendicular lines (90° angle)
- 9. triangle shape
- 12. segment line from point A to point B
- 13. same shapes, not same size
- 14. 1 turn = 360°
Down
- 2. prime arcsecond, 1′ = 60″
- 3. arc from point A to point B
- 4. parallel lines
- 5. formed by two rays
- 7. infinite line
- 8. to equivalence of geometric shapes and size
- 10. radians
- 11. distance
- 15. line that start from point A