Across
- 4. line that start from point A
- 5. parallel lines
- 8. perpendicular lines(90degree angle)
- 11. same shapes not same size
- 12. segment, line from point A to point B
- 13. arcminute 1deg=60'
- 15. radians angle unit
Down
- 1. triangle shape
- 2. formed by two rays
- 3. equivalence od geometric shapes and size
- 6. 1turn=360deg
- 7. "
- 9. distance between points x and y
- 10. angle =90degree
- 14. infinite line
- 16. arc from point A to point B