等腰梯形性质演示 by kjmillikan

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(C_1, D_1) → b
3. Mirror(A, b) → D
4. Mirror(B, b) → C
5. Segment(D, C) → a'
6. Segment(A, D) → c
7. Segment(B, C) → d
8. Angle(C, B, A) → α
9. Angle(D, C, B) → β
10. Angle(B, A, D) → γ
11. Angle(A, D, C) → δ
12. Segment(A, C) → e
13. Segment(D, B) → f
14. Intersect(f, e) → E
15. Distance(A, D) → distanceAD
16. Distance(A, B) → distanceAB
17. Distance(B, C) → distanceBC
18. Distance(C, D) → distanceCD
19. Distance(A, E) → distanceAE
20. Distance(D, E) → distanceDE
21. Distance(B, E) → distanceBE
22. Distance(C, E) → distanceCE
23. Distance(A, C) → distanceAC
24. Distance(D, B) → distanceDB
25. Angle(C, A, D) → ε
26. Angle(A, D, B) → ζ
27. Angle(C, B, D) → η
28. Angle(A, C, B) → θ
29. Angle(D, E, A) → ι
30. Angle(B, E, C) → κ
31. Angle(A, E, B) → λ
32. Angle(C, E, D) → μ
33. Slope(c) → m
34. Slope(d) → m_1
35. Slope(a) → m_2
36. Slope(a') → m_3
37. Segment(F, G) → p
38. Line(H, p) → q
39. Point(q) → I
40. Segment(H, I) → r
41. Segment(I, G) → s
42. Segment(F, H) → t
43. Distance(G, I) → distanceGI
44. Distance(F, G) → distanceFG
45. Distance(F, H) → distanceFH
46. Distance(H, I) → distanceHI
47. Angle(H, F, G) → ν
48. Angle(I, H, F) → ξ
49. Angle(G, I, H) → ο
50. Angle(F, G, I) → ρ