菱形面积计算与几何作图

GeoGebra 命令及参数

1. Circle(A, D) → c
2. Ray(A, B) → a
3. Circle(A, d) → d_5
4. OrthogonalLine(A, a) → b
5. Intersect(d_5, b, 1) → C
6. OrthogonalLine(C, b) → e
7. Intersect(c, a, 1) → D_3
8. OrthogonalLine(D_3, a) → f
9. Intersect(f, e) → E
10. Polygon(A, C, E, D_3) → P, a_1, c_1, e_1, d_1
11. Circle(A, g) → h
12. Intersect(h, a_1) → F,
13. Intersect(h, d_1) → G,
14. Mirror(A, G) → H
15. Mirror(G, H) → I
16. Mirror(H, I) → J
17. Mirror(I, J) → K
18. Mirror(J, K) → L
19. Mirror(K, L) → M
20. Mirror(L, M) → N
21. Mirror(M, N) → O
22. Mirror(N, O) → Q
23. Mirror(O, Q) → R
24. Mirror(Q, R) → S
25. Mirror(R, S) → T
26. Mirror(S, T) → U
27. Mirror(A, F) → V
28. Mirror(F, V) → W
29. Mirror(V, W) → Y
30. Mirror(W, Y) → Z
31. Mirror(Y, Z) → A_1
32. Mirror(Z, A_1) → B_1
33. Mirror(A_1, B_1) → C_1
34. Mirror(B_1, C_1) → D_1
35. OrthogonalLine(G, d_1) → i
36. OrthogonalLine(H, d_1) → j
37. OrthogonalLine(I, d_1) → k
38. OrthogonalLine(J, d_1) → l
39. OrthogonalLine(K, d_1) → m
40. OrthogonalLine(L, d_1) → n
41. OrthogonalLine(M, d_1) → p
42. OrthogonalLine(N, d_1) → q
43. OrthogonalLine(O, d_1) → r
44. OrthogonalLine(Q, d_1) → s
45. OrthogonalLine(R, d_1) → t
46. OrthogonalLine(S, d_1) → b_1
47. OrthogonalLine(T, d_1) → f_1
48. OrthogonalLine(U, d_1) → g_1
49. OrthogonalLine(F, a_1) → h_1
50. OrthogonalLine(V, a_1) → i_1
51. OrthogonalLine(W, a_1) → j_1
52. OrthogonalLine(Y, a_1) → k_1
53. OrthogonalLine(Z, a_1) → l_1
54. OrthogonalLine(A_1, a_1) → m_1
55. OrthogonalLine(B_1, a_1) → n_1
56. OrthogonalLine(C_1, a_1) → p_1
57. OrthogonalLine(D_1, a_1) → q_1
58. Intersect(c_1, i) → E_1
59. Intersect(r, c_1) → F_1
60. Segment(F_1, O) → r_1
61. Intersect(j, c_1) → G_1
62. Intersect(k, c_1) → H_1
63. Intersect(l, c_1) → I_1
64. Intersect(m, c_1) → J_1
65. Intersect(n, c_1) → K_1
66. Intersect(p, c_1) → L_1
67. Intersect(q, c_1) → M_1
68. Intersect(s, c_1) → N_1
69. Intersect(t, c_1) → O_1
70. Intersect(b_1, c_1) → P_1
71. Intersect(f_1, c_1) → Q_1
72. Intersect(g_1, c_1) → R_1
73. Intersect(e_1, q_1) → S_1
74. Intersect(e_1, p_1) → T_1
75. Intersect(e_1, n_1) → U_1
76. Intersect(m_1, e_1) → V_1
77. Intersect(l_1, e_1) → W_1
78. Intersect(k_1, e_1) → Y_1
79. Intersect(j_1, e_1) → Z_1
80. Intersect(i_1, e_1) → A_2
81. Intersect(h_1, e_1) → B_2
82. Segment(E_1, G) → s_1
83. Segment(G_1, H) → t_1
84. Segment(H_1, I) → a_2
85. Segment(I_1, J) → b_2
86. Segment(J_1, K) → c_2
87. Segment(K_1, L) → d_2
88. Segment(L_1, M) → e_2
89. Segment(M_1, N) → f_2
90. Segment(N_1, Q) → g_2
91. Segment(O_1, R) → h_2
92. Segment(P_1, S) → i_2
93. Segment(Q_1, T) → j_2
94. Segment(R_1, U) → k_2
95. Segment(D_1, S_1) → l_2
96. Segment(C_1, T_1) → m_2
97. Segment(B_1, U_1) → n_2
98. Segment(A_1, V_1) → p_2
99. Segment(Z, W_1) → q_2
100. Segment(Y, Y_1) → r_2
101. Segment(W, Z_1) → s_2
102. Segment(V, A_2) → t_2
103. Segment(F, B_2) → a_3
104. Circle(C_2, o) → c_3
105. Point(c_3) → D_2
106. Segment(C_2, D_2) → b_3
107. Circle(D_2, C_2) → d_3
108. OrthogonalLine(D_2, b_3) → e_3
109. OrthogonalLine(C_2, b_3) → f_3
110. Intersect(c_3, f_3, 2) → E_2
111. Intersect(d_3, e_3, 2) → F_2
112. Polygon(E_2, F_2, D_2, C_2) → P_2, e_4, f_4, d_4, c_4
113. Midpoint(A, C) → G_2
114. Midpoint(C, E) → H_2
115. Midpoint(E, D_3) → I_2
116. Midpoint(D_3, A) → J_2
117. Polygon(G_2, H_2, I_2, J_2) → Q_2, g_3, h_3, i_3, j_3
118. Segment(G_2, I_2) → k_3
119. Segment(H_2, J_2) → l_3