地毯面积与几何构造

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(A, C) → b
3. Segment(C, D) → c
4. Segment(D, E) → d
5. Segment(E, F) → e
6. Segment(F, G) → f
7. Segment(G, H) → g
8. Segment(H, B) → h
9. Polygon(A, B, H, G, F, E, D, C) → poly1, a_1, b_1, h_1, g_1, f_1, e_1, d_1, c_1
10. PointIn(poly1) → Pointpoly1_1
11. PointIn(poly1) → Pointpoly1_2
12. Point(a) → I
13. Segment(I, J) → i
14. OrthogonalLine(J, i) → j
15. Intersect(j, b) → K
16. OrthogonalLine(I, i) → k
17. Line(L, a) → l
18. Intersect(l, h) → M
19. Intersect(h, b_1) → N
20. Point(h) → O
21. PointIn(poly1) → P
22. Point(poly1) → Q
23. Point(c) → R
24. Segment(R, O) → q
25. Point(q) → S
26. OrthogonalLine(O, h) → s
27. OrthogonalLine(I, a) → t
28. Intersect(a, h) → V
29. Point(a) → U
30. Point(d) → W
31. OrthogonalLine(W, d) → n
32. OrthogonalLine(U, a) → i_1
33. Intersect(n, i_1) → Z
34. Intersect(d, e) → A_1
35. OrthogonalLine(A_1, d) → j_1
36. Intersect(i_1, j_1) → B_1
37. Intersect(j_1, e) → C_1
38. Intersect(j_1, e) → D_1
39. Intersect(j_1, e) → E_1
40. Intersect(j_1, e) → F_1
41. Intersect(j_1, e) → G_1
42. Intersect(j_1, e) → H_1
43. Intersect(f, g_1) → I_1
44. Intersect(j_1, e) → J_1
45. Intersect(f, g_1) → K_1
46. Intersect(j_1, e) → L_1
47. Intersect(g, h) → M_1
48. Intersect(j_1, h) → N_1
49. Point(i_1) → O_1
50. OrthogonalLine(O_1, i_1) → k_1
51. Intersect(k_1, h) → P_1
52. Polygon(U, V, P_1, O_1) → poly2, u, v, p_1, o_1
53. Polygon(O_1, P_1, N_1, B_1) → poly3, o_2, p_2, n_1, b_2
54. Intersect(n, i_1) → Q_1
55. Point(c) → R_1
56. Polygon(R_1, O_1, Q_1, W) → poly4, r_1, o_3, q_1, w
57. Intersect(n, h) → S_1
58. Intersect(a, b) → T_1
59. Intersect(k_1, b) → U_1
60. Polygon(T_1, U, O_1, U_1) → poly5, t_1, u_1, o_4, u_2
61. OrthogonalLine(U_1, c) → l_1
62. Intersect(j_1, l_1) → V_1
63. Point(e) → W_1
64. OrthogonalLine(W_1, e) → m_1
65. Intersect(n, m_1) → Z_1
66. Intersect(n, l_1) → A_2
67. Polygon(W, A_2, V_1, A_1) → poly6, w_1, a_2, v_1, a_3
68. Intersect(j_1, l_1) → B_2
69. Polygon(A_2, Z_1, W_1, B_2) → poly7, a_4, z_1, w_2, b_3
70. Intersect(i_1, j_1) → C_2
71. Intersect(n, i_1) → D_2
72. Point(f) → E_2
73. OrthogonalLine(E_2, g) → s_1
74. OrthogonalLine(M_1, g) → c_2
75. OrthogonalLine(W, d) → d_2
76. Intersect(c_2, d_2) → F_2
77. Intersect(s_1, d_2) → G_2
78. Polygon(G_2, F_2, M_1, E_2) → poly8, g_2, f_2, m_2, e_2
79. Intersect(e, f) → H_2
80. OrthogonalLine(H_2, e) → h_2
81. Intersect(h_2, a) → I_2
82. Intersect(h_2, o_4) → J_2
83. OrthogonalLine(U, a) → i_2
84. OrthogonalLine(J_2, h_2) → j_2
85. Intersect(j_2, i_2) → K_2
86. Polygon(I_2, U, K_2, J_2) → poly9, i_3, u_3, k_2, j_3
87. OrthogonalLine(H_2, h_2) → l_2
88. Intersect(l_2, i_2) → L_2
89. OrthogonalLine(W, d) → n_2
90. OrthogonalLine(H_2, l_2) → r_2
91. OrthogonalLine(L_2, l_2) → s_2
92. Intersect(n_2, r_2) → O_2
93. PointIn(poly1) → Pointpoly1_3
94. PointIn(poly2) → Pointpoly2_1
95. PointIn(poly1) → Pointpoly1
96. PointIn(poly2) → Pointpoly2