横截线截得的角的位置名称识别

GeoGebra 命令及参数

1. Line(A, B) → a
2. Line(C, D) → b
3. Line(E, F) → c
4. Angle(c, b) → α
5. Intersect(α, b, 1) → G
6. Intersect(α, b, 1) → H
7. Intersect(b, c) → I
8. Angle(C, I, F) → β
9. Angle(E, I, C) → γ
10. Point(b) → J
11. Angle(J, I, E) → δ
12. Intersect(a, c) → K
13. Angle(B, K, I) → ε
14. Angle(I, K, A) → ζ
15. Angle(A, K, F) → η
16. Angle(F, K, B) → θ
17. Circle(I, 1) → c_1
18. Circle(K, 1) → d_1
19. Intersect(c_1, b, 2) → L
20. Intersect(c_1, c, 1) → M
21. Intersect(c_1, b, 1) → N
22. Intersect(c_1, c, 2) → O
23. Intersect(d_1, a, 2) → P
24. Intersect(d_1, c, 1) → Q
25. Intersect(d_1, a, 1) → R
26. Intersect(d_1, c, 2) → S
27. CircleSector(I, L, M) → e_1
28. CircleSector(I, M, N) → f_1
29. CircleSector(I, N, O) → g_1
30. CircleSector(I, O, L) → h_1
31. CircleSector(K, P, Q) → k_1
32. CircleSector(K, Q, R) → p_1
33. CircleSector(K, R, S) → q_1
34. CircleSector(K, S, P) → r_1
35. Circle(I, 1) → s_1
36. Circle(K, 1) → t_1
37. Intersect(s_1, b, 2) → T
38. Intersect(s_1, c, 1) → U
39. Intersect(s_1, b, 1) → V
40. Intersect(s_1, c, 2) → W
41. Intersect(t_1, a, 2) → Z
42. Intersect(t_1, c, 1) → A_1
43. Intersect(t_1, a, 1) → B_1
44. Intersect(t_1, c, 2) → C_1
45. CircleSector(I, T, U) → c_2
46. CircleSector(I, U, V) → d_2
47. CircleSector(I, V, W) → e_2
48. CircleSector(I, W, T) → f_2
49. CircleSector(K, Z, A_1) → g_2
50. CircleSector(K, A_1, B_1) → h_2
51. CircleSector(K, B_1, C_1) → k_2
52. CircleSector(K, C_1, Z) → p_2