Across
- 1. constant, is the ratio between the circumstance and diameter of a circle
- 3. prime, arcsecond, 1’=60”
- 4. angle,a=90°
- 5. arcminute, 1°=60’
- 7. segment, line from point A to B
- 8. line that start from point A
- 9. arc from point A to B
- 11. rad
- 13. formed by two days
Down
- 1. perpendicular lines (90° angle)
- 2. 1 turn=360deg
- 3. distance between points x and y
- 6. same shapes, not same size
- 10. to, equivalence of geometric shapes and sizes
- 12. parallel lines