风筝图形性质与几何作图

GeoGebra 命令及参数

1. Segment(A, B) → a
2. OrthogonalLine(C_1, a) → b
3. Line(C_1, B) → c
4. Mirror(A, c) → C
5. Segment(B, C) → d
6. Point(c) → D
7. Segment(A, D) → e
8. Segment(C, D) → f
9. Segment(A, C) → g
10. Segment(B, D) → h
11. Intersect(h, g) → E
12. Distance(A, B) → distanceAB
13. Distance(C, B) → distanceA'B
14. Distance(D, C) → distanceDA'
15. Distance(D, A) → distanceDA
16. Angle(B, E, A) → α
17. Angle(C, E, B) → β
18. Angle(D, E, C) → γ
19. Angle(A, E, D) → δ
20. Angle(E, D, A) → ε
21. Angle(C, D, E) → ζ
22. Angle(A, B, E) → η
23. Angle(E, B, C) → θ
24. Angle(E, A, B) → ι
25. Angle(B, C, E) → κ
26. Angle(E, C, D) → λ
27. Angle(D, A, E) → μ
28. Angle(D, A, B) → ν
29. Angle(B, C, D) → ξ
30. Angle(A, B, C) → ο
31. Angle(C, D, A) → ρ
32. Distance(A, E) → distanceAE
33. Distance(C, E) → distanceA'E
34. Distance(B, E) → distanceBE
35. Distance(D, E) → distanceDE
36. Distance(B, D) → distanceBD
37. Distance(A, C) → distanceAA'