Across
- 1. grads angle unit
- 3. parallel lines
- 6. arcminute, 1° = 60′
- 7. ΔABC≅ ΔBCD
- 8. line that start from point A
- 9. to ∆ABC≅ ∆XYZ
- 10. | x-y | = 5
- 11. infinite line
- 14. 360° = 2π rad
Down
- 2. ∆ABC~ ∆XYZ
- 4. line from point A to point B
- 5. π = 3.141592654...is the ratio between the circumference and diameter of a circle
- 6. perpendicular lines (90° angle)
- 12. angle α = 90°
- 13. ∠ABC = 30°