比较图形

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. Midpoint(a) → D
3. Midpoint(b) → E
4. Midpoint(c) → F
5. Segment(F, C) → d
6. Segment(E, B) → e
7. Intersect(d, e) → G
8. Mirror(G, a) → G'
9. Line(G', a) → f
10. OrthogonalLine(D, a) → g
11. Intersect(g, f) → H
12. Ray(D, H) → h
13. Point(h) → I
14. Line(I, a) → i
15. Segment(D, I) → j
16. OrthogonalLine(F, c) → k
17. OrthogonalLine(E, b) → l
18. Circle(F, j) → p
19. Circle(E, j) → q
20. Intersect(p, k, 1) → J
21. Intersect(q, l, 1) → K
22. Line(J, c) → m
23. Line(K, b) → n
24. Intersect(m, n) → L
25. Intersect(i, n) → M
26. Intersect(i, m) → N
27. Segment(F, J) → r
28. Segment(E, K) → s
29. Polygon(L, N, M) → poly2, m_1, l_1, n_1
30. Polygon(O, P, Q, R) → poly3, o, p_1, q_1, r_1
31. Segment(R, P) → t
32. Segment(O, Q) → a_1
33. Intersect(t, a_1) → S
34. Midpoint(p_1) → T
35. Midpoint(q_1) → U
36. Midpoint(r_1) → V
37. Midpoint(o) → W
38. Mirror(S, p_1) → S'
39. Line(S', p_1) → b_1
40. OrthogonalLine(T, b_1) → c_1
41. Intersect(b_1, c_1) → Z
42. Ray(T, Z) → d_1
43. Point(d_1) → A_1
44. Line(A_1, p_1) → e_1
45. Segment(T, A_1) → f_1
46. OrthogonalLine(W, o) → g_1
47. Circle(W, f_1) → h_1
48. Intersect(h_1, g_1, 1) → B_1
49. Line(B_1, o) → i_1
50. Segment(W, B_1) → j_1
51. Intersect(e_1, i_1) → C_1
52. OrthogonalLine(V, r_1) → k_1
53. Circle(V, f_1) → s_1
54. Intersect(s_1, k_1, 1) → D_1
55. Line(D_1, r_1) → t_1
56. Segment(V, D_1) → a_2
57. Intersect(i_1, t_1) → E_1
58. OrthogonalLine(U, q_1) → b_2
59. Circle(U, f_1) → c_2
60. Intersect(c_2, b_2, 1) → F_1
61. Line(F_1, q_1) → d_2
62. Segment(U, F_1) → e_2
63. Intersect(t_1, d_2) → G_1
64. Intersect(e_1, d_2) → H_1
65. Polygon(E_1, C_1, H_1, G_1) → poly4, e_3, c_3, h_2, g_2