硬币环形排列与圆相切几何作图示例

GeoGebra 命令及参数

1. Circle(A, 2) → c
2. Point(c) → B
3. Circle(B, 2) → d
4. Point(d) → C
5. Circle(C, 2) → e
6. Point(e) → D
7. Circle(D, 2) → f
8. Point(f) → E
9. Circle(E, 2) → g
10. Point(g) → F
11. Circle(F, 2) → h
12. Point(h) → G
13. Circle(G, 2) → k
14. Point(k) → H
15. Circle(H, 2) → p
16. Point(p) → I
17. Circle(I, 2) → q
18. Point(q) → J
19. Circle(J, 2) → r
20. Circle(A, 1) → s_1
21. Circle(B, 1) → t_1
22. Circle(C, 1) → c_1
23. Circle(D, 1) → d_1
24. Circle(E, 1) → e_1
25. Circle(F, 1) → f_1
26. Circle(G, 1) → g_1
27. Circle(H, 1) → h_1
28. Circle(I, 1) → k_1
29. Circle(J, 1) → p_1
30. Intersect(c, r, 2) → K
31. Circle(K, 1) → q_1
32. PolyLine(A, B, C, D, E, F, G, H, I, J) → linePoly
33. Segment(K, A) → line2
34. Segment(K, J) → line3
35. Midpoint(A, B) → L
36. Midpoint(B, C) → M
37. Midpoint(C, D) → N
38. Midpoint(D, E) → O
39. Midpoint(E, F) → P
40. Midpoint(F, G) → Q
41. Midpoint(G, H) → R
42. Midpoint(H, I) → S
43. Midpoint(I, J) → T
44. Midpoint(J, K) → U
45. Midpoint(K, A) → V
46. CircleSector(A, V, L) → s_2
47. CircleSector(B, L, M) → t_2
48. CircleSector(C, M, N) → r_2
49. CircleSector(D, N, O) → c_2
50. CircleSector(E, O, P) → d_2
51. CircleSector(F, P, Q) → e_2
52. CircleSector(G, Q, R) → f_2
53. CircleSector(H, R, S) → g_2
54. CircleSector(I, S, T) → h_2
55. CircleSector(J, T, U) → k_2
56. CircleSector(K, U, V) → p_2
57. CircleSector(A, L, V) → q_3
58. CircleSector(B, M, L) → r_3
59. CircleSector(C, N, M) → s_3
60. CircleSector(D, O, N) → t_3
61. CircleSector(E, P, O) → c_3
62. CircleSector(F, Q, P) → d_3
63. CircleSector(G, R, Q) → e_3
64. CircleSector(H, S, R) → f_3
65. CircleSector(I, T, S) → g_3
66. CircleSector(J, U, T) → h_3
67. CircleSector(K, V, U) → k_3
68. Defined(K) → loop