对应部分与比例因数

GeoGebra 命令及参数

1. Segment(I, U_2) → h_1
2. Midpoint(h_1) → W_1
3. Segment(I, G) → i_1
4. Midpoint(i_1) → Z_1
5. AngularBisector(B_1, A_2, C_1) → f
6. AngularBisector(A_2, B_1, J) → g
7. Intersect(f, g) → K_1
8. Point(yAxis) → L_2
9. Circle(A_2, L_2) → c
10. Line(L_2, f) → h
11. Mirror(h, f) → h'
12. Circle(C_1, Radius[c]) → d
13. Intersect(d, yAxis, 1) → M_1
14. Line(M_1, g) → i
15. Circle(K_1, 9) → e
16. Point(h) → N_1
17. Circle(K_1, N_1) → k
18. Intersect(k, h, 2) → M
19. Intersect(h, i) → L
20. Intersect(k, i, 2) → K
21. Intersect(k, h', 1) → N
22. Intersect(h', i) → O
23. Intersect(k, i, 1) → P
24. Circle(L_1, 7.58) → p
25. Point(p) → U_1
26. Segment(U_1, L_1) → j
27. OrthogonalLine(L_1, j) → l
28. Intersect(p, l, 1) → V_1
29. Segment(V_1, L_1) → m
30. AngularBisector(E_1, D_1, F_1) → n
31. AngularBisector(Q, E_1, D_1) → q
32. Intersect(n, q) → R
33. Point(r) → S
34. Circle(R, S) → t
35. Intersect(t, s, 1) → B
36. Intersect(t, r, 2) → E
37. Point(q) → V_2
38. Circle(R, V_2) → c_1
39. Line(B, q) → a
40. OrthogonalLine(B, a) → b
41. Intersect(c_1, b, 2) → C
42. Intersect(c_1, a, 1) → F
43. Intersect(c_1, a, 2) → A
44. Segment(F_1, Q) → f_1
45. Segment(D_1, F_1) → g_1
46. Segment(A_2, C_1) → j_1
47. Segment(C_1, T) → k_1
48. Dilate(Z_1, 0.145, A_1) → V
49. Dilate(V, -1, A_1) → Z''
50. Dilate(W_1, 0.145, A_1) → W'
51. Dilate(W', -1, A_1) → Y
52. Line(I, H) → l_1
53. Line(G, U_2) → m_1
54. Ellipse(H_1, G_1, W_2) → d_1
55. Line(V, l_1) → n_1
56. Line(V, m_1) → p_1
57. Line(Y, m_1) → q_1
58. Line(W', l_1) → r_1
59. Intersect(d_1, p_1, 1) → W
60. Intersect(d_1, n_1, 1) → U
61. Intersect(d_1, q_1, 1) → X
62. Intersect(d_1, n_1, 2) → Z
63. Line(E, n) → s_1
64. Intersect(c_1, s_1) → D, J_1
65. Angle(U_1, L_1, V_1) → α