四边形及其对角线

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. Segment(C, B) → i
11. Segment(A, D) → j
12. Intersect(i, j) → E
13. Circle(G, F) → k
14. Segment(G, F) → l
15. Point(k) → H
16. Segment(G, H) → m
17. Line(H, l) → n
18. Line(F, m) → p
19. Intersect(n, p) → I
20. Segment(H, I) → q
21. Segment(F, I) → r
22. Segment(G, I) → s
23. Segment(H, F) → t
24. Intersect(s, t) → J
25. Segment(K, L) → a_1
26. OrthogonalLine(L, a_1) → b_1
27. Point(b_1) → M
28. OrthogonalLine(M, b_1) → c_1
29. OrthogonalLine(K, a_1) → d_1
30. Intersect(c_1, d_1) → N
31. Segment(L, M) → e_1
32. Segment(K, N) → g_1
33. Segment(N, M) → f_1
34. Segment(K, M) → h_1
35. Segment(L, N) → i_1
36. Intersect(h_1, i_1) → O
37. Circle(P, Q) → k_1
38. Segment(P, Q) → j_1
39. OrthogonalLine(P, j_1) → l_1
40. OrthogonalLine(Q, j_1) → m_1
41. Intersect(k_1, l_1, 2) → S
42. Line(S, j_1) → n_1
43. Intersect(m_1, n_1) → R
44. Segment(P, S) → p_1
45. Segment(S, R) → q_1
46. Segment(P, R) → s_1
47. Segment(Q, S) → t_1
48. Intersect(s_1, t_1) → T
49. Segment(Q, R) → r_1
50. Segment(W, U) → a_2
51. Segment(U, V) → b_2
52. Segment(V, W) → c_2
53. Mirror(V, a_2) → X
54. Segment(W, X) → d_2
55. Segment(X, U) → e_2
56. Segment(V, X) → f_2
57. Intersect(a_2, f_2) → Z
58. Segment(A_1, B_1) → g_2
59. Segment(A_1, C_1) → h_2
60. Line(C_1, g_2) → i_2
61. Point(i_2) → D_1
62. Segment(B_1, D_1) → j_2
63. Segment(C_1, D_1) → k_2
64. Segment(C_1, B_1) → l_2
65. Segment(A_1, D_1) → m_2
66. Intersect(l_2, m_2) → E_1
67. Segment(C, E) → n_2
68. Segment(E, B) → p_2
69. Segment(D, E) → q_2
70. Segment(E, A) → r_2
71. Angle(A, B, E) → α
72. Angle(E, B, D) → β
73. Angle(B, D, E) → γ
74. Angle(E, D, C) → δ
75. Angle(D, C, E) → β_1
76. Angle(E, C, A) → γ_1
77. Angle(C, A, E) → δ_1
78. Angle(E, A, B) → ε_1
79. Angle(D, E, B) → ζ_1
80. Segment(G, J) → s_2
81. Segment(J, I) → t_2
82. Segment(F, J) → a_3
83. Segment(J, H) → b_3
84. Angle(J, H, I) → ε
85. Angle(H, I, J) → ζ
86. Angle(J, I, F) → η
87. Angle(I, F, J) → θ
88. Angle(J, F, G) → η_1
89. Angle(F, G, J) → θ_1
90. Angle(J, G, H) → ι_1
91. Angle(G, H, J) → κ_1
92. Angle(I, J, H) → λ_1
93. Segment(K, O) → c_3
94. Segment(O, M) → d_3
95. Segment(L, O) → e_3
96. Segment(O, N) → f_3
97. Angle(L, M, O) → ι
98. Angle(O, M, N) → κ
99. Angle(M, N, O) → λ
100. Angle(O, N, K) → μ
101. Angle(N, K, O) → μ_1
102. Angle(O, K, L) → ν_1
103. Angle(K, L, O) → ξ_1
104. Angle(O, L, M) → ο_1
105. Angle(K, O, N) → ρ_1
106. Segment(S, T) → g_3
107. Segment(T, Q) → h_3
108. Segment(P, T) → i_3
109. Segment(T, R) → j_3
110. Angle(T, S, R) → ν
111. Angle(S, R, T) → ξ
112. Angle(T, R, Q) → ο
113. Angle(R, Q, T) → ρ
114. Angle(T, Q, P) → σ_1
115. Angle(Q, P, T) → τ_1
116. Angle(T, P, S) → υ_1
117. Angle(P, S, T) → φ_1
118. Angle(Q, T, R) → χ_1
119. Angle(X, Z, W) → σ
120. Angle(U, W, X) → τ
121. Angle(W, X, V) → υ
122. Angle(V, X, U) → φ
123. Angle(X, U, W) → ψ_1
124. Angle(W, U, V) → ω_1
125. Angle(U, V, X) → α_2
126. Angle(X, V, W) → β_2
127. Angle(V, W, U) → γ_2
128. Segment(W, U) → k_3
129. Segment(V, X) → l_3
130. Midpoint(V, Z) → F_1
131. Midpoint(Z, X) → G_1
132. Distance(V, Z) → distanceVZ
133. Distance(V, Z) → o
134. Distance(W, Z) → u
135. Distance(U, Z) → v
136. Midpoint(Z, W) → H_1
137. Midpoint(U, Z) → I_1
138. Segment(C_1, E_1) → m_3
139. Segment(E_1, B_1) → n_3
140. Segment(E_1, D_1) → p_3
141. Segment(E_1, A_1) → q_3
142. Angle(E_1, A_1, B_1) → χ
143. Angle(A_1, B_1, E_1) → ψ
144. Angle(E_1, B_1, D_1) → ω
145. Angle(B_1, D_1, E_1) → α_1
146. Angle(E_1, D_1, C_1) → δ_2
147. Angle(D_1, C_1, E_1) → ε_2
148. Angle(E_1, C_1, A_1) → ζ_2
149. Angle(C_1, A_1, E_1) → η_2