三角形构造：从基本元素到复杂几何关系的动态演示

GeoGebra 命令及参数

1. Point(Circle[A, 5]) → C
2. Segment(A, C) → g
3. Rotate(C, (-(45°)), A) → C'
4. Angle(C', A, C) → α
5. Ray(A, C') → f
6. Point(Circle[A, 4]) → B
7. Segment(A, B) → h
8. Segment(C, B) → i
9. Point(i) → D
10. Point(Circle[E, 5]) → F
11. Segment(E, F) → j
12. Rotate(E, (-(60°)), F) → E'
13. Angle(E', F, E) → β
14. Point(Circle[F, 4]) → G
15. Segment(F, G) → k
16. Segment(E, G) → l
17. Ray(F, E') → m
18. Point(Circle[H, 4]) → I
19. Segment(H, I) → n
20. Point(Circle[H, 5]) → J
21. Segment(H, J) → p
22. Rotate(H, (-(60°)), I) → H'_1
23. Angle(H'_1, I, H) → δ
24. Angle(F, E, G) → ε
25. Angle(E, G, F) → ζ
26. Point(Circle[K, 21]) → L
27. Point(Circle[K, 6]) → M
28. Segment(K, M) → r
29. Point(Circle[M, 5]) → N
30. Segment(M, N) → s
31. Ray(I, H'_1) → t
32. Segment(I, J) → a
33. Angle(I, H, J) → γ
34. Angle(H, J, I) → η
35. Angle(N, M, K) → θ
36. Ray(K, N) → q
37. Segment(N, K) → b
38. Segment(N, K) → c
39. Angle(M, K, N) → ι
40. Angle(K, N, M) → κ
41. Point(Circle[O, 6]) → P
42. Segment(O, P) → d
43. Point(Circle[P, 5]) → Q
44. Segment(P, Q) → e
45. Segment(O, Q) → g_1
46. Angle(Q, P, O) → μ
47. Angle(P, O, Q) → ν
48. Point(Circle[P, 6]) → R
49. Segment(P, R) → h_1
50. Angle(O, Q, P) → λ
51. Point(Circle[S, 7]) → T
52. Segment(S, T) → f_1
53. Rotate(T, 38°, S) → T'
54. Angle(T, S, T') → ξ
55. Angle(U, T, S) → ο
56. Ray(S, T') → i_1
57. Segment(T, U) → j_1
58. Segment(U, S) → k_1
59. Angle(S, U, T) → ρ
60. Point(Circle[V, 5]) → W
61. Segment(V, W) → l_1
62. Point(Circle[W, 5]) → Z
63. Segment(W, Z) → m_1
64. Rotate(W, 45°, Z) → W'
65. Angle(W, Z, W') → σ
66. Ray(Z, W') → n_1
67. Angle(Z, V, W) → τ
68. Segment(V, Z) → p_1