平行四边形模板 by Ong Siew Hwee

GeoGebra 命令及参数

1. Segment(B, A) → a
2. OrthogonalLine(A, a) → b
3. Line(B, b) → c
4. Point(c) → C
5. OrthogonalLine(C, c) → d
6. Intersect(b, d) → D
7. Angle(A, B, C) → α
8. Angle(B, A, D) → β
9. Angle(A, D, C) → γ
10. Angle(B, C, D) → δ
11. Distance(A, B) → distanceAB
12. Distance(B, C) → distanceBC
13. Distance(C, D) → distanceCD
14. Distance(C, D) → g
15. Distance(D, C) → distanceDC
16. Distance(A, D) → distanceAD
17. Segment(E, F) → h
18. Line(H, h) → i
19. Segment(E, H) → j
20. Line(F, j) → l
21. Intersect(l, i) → G
22. Segment(F, G) → m
23. Segment(G, H) → n
24. Angle(E, F, G) → ε
25. Angle(E, H, G) → ζ
26. Angle(F, E, H) → η
27. Angle(F, G, H) → θ
28. Distance(E, F) → distanceEF
29. Distance(H, G) → distanceHG
30. Distance(E, H) → distanceEH
31. Distance(F, G) → distanceFG
32. Segment(I, J) → p
33. Segment(J, K) → q
34. Segment(K, L) → r
35. Segment(L, I) → s
36. Segment(I, J) → p_1
37. Segment(L, I) → s_1
38. Segment(L, K) → r_1
39. Segment(K, J) → q_1
40. Angle(J, K, L) → κ
41. Angle(K, L, I) → λ
42. Angle(L, I, J) → μ
43. Angle(I, J, K) → ν
44. Distance(I, J) → distanceIJ
45. Distance(J, K) → distanceJK
46. Distance(K, L) → distanceKL
47. Distance(L, I) → distanceLI
48. Segment(E, G) → d_1
49. Segment(F, H) → e_1
50. Intersect(d_1, e_1) → O
51. Angle(E, O, H) → ο
52. Segment(F, E) → l_1
53. Segment(E, O) → EO
54. Segment(O, G) → OG
55. Segment(F, O) → FO
56. Segment(O, H) → OH