四边形及其边与角

GeoGebra 命令及参数

1. Line(A, B) → a
2. Line(C, a) → b
3. Segment(C, A) → c
4. Line(B, c) → d
5. Segment(A, B) → e
6. Intersect(b, d) → D
7. Segment(C, D) → f
8. Segment(D, B) → g
9. Distance(A, B) → distanceAB
10. Angle(A, B, D) → α
11. Angle(B, D, C) → β
12. Angle(D, C, A) → γ
13. Angle(C, A, B) → δ
14. Segment(C, B) → i
15. Segment(A, D) → j
16. Intersect(i, j) → E
17. Circle(G, F) → k
18. Segment(G, F) → l
19. Point(k) → H
20. Segment(G, H) → m
21. Line(H, l) → n
22. Line(F, m) → p
23. Intersect(n, p) → I
24. Segment(H, I) → q
25. Segment(F, I) → r
26. Angle(G, H, I) → ε
27. Angle(H, I, F) → ζ
28. Angle(I, F, G) → η
29. Angle(F, G, H) → θ
30. Segment(G, I) → s
31. Segment(H, F) → t
32. Intersect(s, t) → J
33. Segment(K, L) → a_1
34. OrthogonalLine(L, a_1) → b_1
35. Point(b_1) → M
36. OrthogonalLine(M, b_1) → c_1
37. OrthogonalLine(K, a_1) → d_1
38. Intersect(c_1, d_1) → N
39. Segment(L, M) → e_1
40. Segment(K, N) → g_1
41. Segment(N, M) → f_1
42. Angle(L, M, N) → ι
43. Angle(M, N, K) → κ
44. Angle(N, K, L) → λ
45. Angle(K, L, M) → μ
46. Segment(K, M) → h_1
47. Segment(L, N) → i_1
48. Intersect(h_1, i_1) → O
49. Circle(P, Q) → k_1
50. Segment(P, Q) → j_1
51. OrthogonalLine(P, j_1) → l_1
52. OrthogonalLine(Q, j_1) → m_1
53. Intersect(k_1, l_1, 2) → S
54. Line(S, j_1) → n_1
55. Intersect(m_1, n_1) → R
56. Segment(P, S) → p_1
57. Segment(S, R) → q_1
58. Angle(Q, P, S) → ν
59. Angle(P, S, R) → ξ
60. Angle(S, R, Q) → ο
61. Angle(R, Q, P) → ρ
62. Segment(P, R) → s_1
63. Segment(Q, S) → t_1
64. Intersect(s_1, t_1) → T
65. Segment(Q, R) → r_1
66. Segment(W, U) → a_2
67. Segment(U, V) → b_2
68. Segment(V, W) → c_2
69. Mirror(V, a_2) → X
70. Segment(W, X) → d_2
71. Segment(X, U) → e_2
72. Angle(V, W, X) → σ
73. Angle(W, X, U) → τ
74. Angle(X, U, V) → υ
75. Angle(U, V, W) → φ
76. Segment(V, X) → f_2
77. Intersect(a_2, f_2) → Z
78. Segment(A_1, B_1) → g_2
79. Segment(A_1, C_1) → h_2
80. Line(C_1, g_2) → i_2
81. Point(i_2) → D_1
82. Segment(B_1, D_1) → j_2
83. Segment(C_1, D_1) → k_2
84. Angle(A_1, B_1, D_1) → χ
85. Angle(B_1, D_1, C_1) → ψ
86. Angle(D_1, C_1, A_1) → ω
87. Angle(C_1, A_1, B_1) → α_1
88. Segment(C_1, B_1) → l_2
89. Segment(A_1, D_1) → m_2
90. Intersect(l_2, m_2) → E_1