Across
- 1. Ratio between the circumference and diameter of a circle
- 5. "
- 8. =90°
- 9. Grads angle unit
- 11. ⊥
- 12. ∠
- 13. Line that start from point A
Down
- 2. Equivalence of geometry shape and size
- 3. Radiants angle unit
- 4. Same shape but not same size
- 6. ∥
- 7. °
- 10. '