正多边形与面积

GeoGebra 命令及参数

1. Polygon(A, B, 5) → poly3, l, m, n, p, f_2, F, G, H
2. Midpoint(f_2) → S_1
3. Segment(S_1, F) → p_3
4. Midpoint(m) → R_1
5. Segment(R_1, H) → n_3
6. Segment(A, B) → a
7. Polygon(A, B, 3) → poly1, b, c, d, C
8. Polygon(A, B, 4) → poly2, f, g, h, i, D, E
9. Polygon(A, B, 6) → poly4, q, L, r, s, t, a_1, b_1, I, J, K
10. Midpoint(a) → M
11. AngularBisector(C, B, A) → c_1
12. AngularBisector(B, A, C) → d_1
13. AngularBisector(A, C, B) → e_1
14. Intersect(e_1, d_1) → N
15. Segment(N, B) → f_1
16. Segment(N, A) → g_1
17. Segment(N, C) → h_1
18. Midpoint(d) → O
19. Midpoint(c) → P
20. Segment(N, P) → i_1
21. Segment(N, O) → j_1
22. Segment(M, N) → k_1
23. Midpoint(a) → Q
24. Midpoint(i) → R
25. Midpoint(h) → S
26. Midpoint(g) → T
27. AngularBisector(E, D, B) → l_1
28. AngularBisector(D, B, A) → m_1
29. Intersect(l_1, m_1) → U
30. Midpoint(h) → V
31. Midpoint(i) → W
32. Midpoint(g) → Z
33. Midpoint(a) → A_1
34. Segment(U, Z) → n_1
35. Segment(U, V) → p_1
36. Segment(U, W) → q_1
37. Segment(U, A_1) → r_1
38. Segment(U, B) → s_1
39. Segment(U, D) → t_1
40. Segment(U, E) → a_2
41. Segment(U, A) → b_2
42. Angle(M, N, B) → α
43. Angle(N, B, A) → β
44. Angle(a, k_1) → γ
45. Angle(A_1, U, B) → δ
46. Angle(U, B, A) → ε
47. Intersect(r_1, a) → B_1
48. Angle(B, B_1, U) → ζ
49. Midpoint(a) → F_1
50. Midpoint(a_1) → K_1
51. Midpoint(b_1) → L_1
52. Midpoint(a) → M_1
53. Midpoint(r) → N_1
54. Midpoint(s) → O_1
55. Midpoint(t) → P_1
56. AngularBisector(K, J, I) → p_2
57. AngularBisector(J, I, B) → q_2
58. Intersect(q_2, p_2) → Q_1
59. Segment(Q_1, I) → r_2
60. Segment(N_1, Q_1) → s_2
61. Segment(Q_1, B) → t_2
62. Segment(M_1, Q_1) → a_3
63. Segment(Q_1, O_1) → c_3
64. Segment(J, Q_1) → d_3
65. Segment(Q_1, P_1) → e_3
66. Segment(K, Q_1) → f_3
67. Segment(Q_1, K_1) → g_3
68. Segment(L, Q_1) → h_3
69. Segment(Q_1, L_1) → i_3
70. Angle(M_1, Q_1, B) → κ
71. Angle(Q_1, B, M_1) → λ
72. Angle(B, M_1, Q_1) → μ
73. Segment(A, Q_1) → k
74. Midpoint(f_2) → C_1
75. Midpoint(p) → D_1
76. Midpoint(n) → E_1
77. Midpoint(m) → G_1
78. Midpoint(b) → H_1
79. Segment(H_1, G) → g_2
80. Segment(F, C_1) → h_2
81. Intersect(n_3, p_3) → I_1
82. Segment(H_1, I_1) → i_2
83. Segment(I_1, G_1) → j_2
84. Segment(I_1, E_1) → k_2
85. Segment(I_1, D_1) → l_2
86. Segment(I_1, C_1) → m_2
87. Segment(G, I_1) → n_2
88. Segment(I_1, F) → c_2
89. Segment(B, I_1) → d_2
90. Segment(A, I_1) → e_2
91. Segment(H, I_1) → j_3
92. Angle(B, Q, I_1) → η
93. Angle(Q, I_1, B) → θ
94. Angle(I_1, B, Q) → ι
95. Midpoint(b) → J_1
96. Polygon(B, A, N) → poly5, k_3, l_3, m_3
97. Area(poly5) → u_1
98. Perimeter(poly1) → v_1
99. Polygon(A, U, B) → poly6, b_3, a_4, u_2
100. Perimeter(poly6) → o_2
101. Polygon(A, I_1, B) → poly7, b_4, a_5, i_4
102. Perimeter(poly3) → v_2
103. Polygon(A, Q_1, B) → poly8, b_5, a_6, q_3
104. Perimeter(poly4) → w_2