Spiral George B

GeoGebra 命令及参数

1. Polygon(A, B, 3) → poly1, f, g, h, C
2. OrthogonalLine(C, f) → i
3. Intersect(i, f) → D
4. Segment(C, D) → j
5. Polygon(C, D, 3) → poly2, k, l, m, E
6. Intersect(g, l) → F
7. Segment(C, F) → n
8. Polygon(C, F, 3) → poly3, p, q, r, G
9. Intersect(m, q) → H
10. Segment(C, H) → s
11. Polygon(C, H, 3) → poly4, t, a, b, I
12. Intersect(r, a) → J
13. Segment(C, J) → c
14. Polygon(C, J, 3) → poly5, d, e, f_1, K
15. Intersect(b, e) → L
16. Segment(C, L) → g_1
17. Polygon(C, L, 3) → poly6, h_1, i_1, j_1, M
18. Intersect(f_1, i_1) → N
19. Segment(C, N) → k_1
20. Polygon(C, N, 3) → poly7, l_1, m_1, n_1, O
21. Intersect(j_1, m_1) → P
22. Segment(C, P) → p_1
23. Polygon(C, P, 3) → poly8, q_1, r_1, s_1, Q
24. Intersect(n_1, r_1) → R
25. Segment(C, R) → t_1
26. Polygon(C, R, 3) → poly9, a_1, b_1, c_1, S
27. Intersect(s_1, b_1) → T
28. Segment(C, T) → d_1
29. Polygon(C, T, 3) → poly10, e_1, f_2, g_2, U
30. Intersect(c_1, f_2) → V
31. Segment(C, V) → h_2
32. Intersect(j, k) → D_1
33. Intersect(j, k) → E_1
34. Intersect(g, n) → H_1
35. Intersect(m, s) → K_1
36. Intersect(b, g_1) → P_1
37. Intersect(f_1, k_1) → S_1
38. Polygon(K, C, J) → t1, j_4, k_4, c_4
39. Polygon(M, C, L) → t2, l_4, m_4, c_5
40. Polygon(Q, C, P) → t3, p_4, q_4, c_6
41. Polygon(O, C, N) → t4, n_4, o, c_7
42. Polygon(C, S, R) → t5, r_4, c_8, s_4
43. Polygon(C, S, R) → t6, r_5, c_9, s_5
44. Polygon(Q, C, P) → t7, p_5, q_5, c_{10}
45. Distance(A, B) → distanceAB
46. Distance(D, E) → distanceDE
47. Distance(F, G) → distanceFG
48. Distance(H, I) → distanceHI
49. Polygon(C, V, 3) → poly11, i_2, j_2, k_2, W
50. Intersect(poly10, poly11) → Z, A_1, B_1, C_1, F_1, G_1, I_1
51. Polygon(I_1, G_1, 3) → poly12, l_2, m_2, n_2, J_1