梯子上猫的几何演示

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Midpoint(C, D) → A1
3. Midpoint(A1, C) → A2
4. Midpoint(A2, C) → A3
5. Midpoint(A2, B) → A4
6. Midpoint(B, D) → A5
7. Midpoint(A5, D) → A6
8. Midpoint(A5, B) → A7
9. Mirror(A1, yAxis) → C1
10. Mirror(A2, yAxis) → C2
11. Mirror(A3, yAxis) → C3
12. Mirror(A4, yAxis) → C4
13. Mirror(A5, yAxis) → C5
14. Mirror(A6, yAxis) → C6
15. Mirror(A7, yAxis) → C7
16. Mirror(B1, yAxis) → D1
17. Mirror(B2, yAxis) → D2
18. Mirror(B3, yAxis) → D3
19. Mirror(B4, yAxis) → D4
20. Mirror(B5, yAxis) → D5
21. Mirror(B6, yAxis) → D6
22. Mirror(B7, yAxis) → D7
23. Mirror(D, yAxis) → D'
24. Segment(C, D) → e
25. Ellipse(E1, F1, G1) → H1
26. Polygon(F1, G1, 3) → I1, f, h, i, F
27. Polygon(F2, G2, 3) → I2, m, n, p, H
28. Polygon(F3, G3, 3) → I3, q, s, a_1, I
29. Polygon(F4, G4, 3) → I4, b_1, c_1, d_1, J
30. Polygon(F5, G5, 3) → I5, e_1, f_1, g_1, K
31. Polygon(F6, G6, 3) → I6, h_1, i_1, j_1, L
32. Polygon(F7, G7, 3) → I7, k_1, l_1, m_1, M
33. Polygon(F8, G8, 3) → I8, n_1, p_1, q_1, N
34. Polygon(F9, G9, 3) → I9, r_1, s_1, t_1, O
35. Polygon(G1, E1, 3) → N1, j, k, l, G
36. Polygon(G2, E2, 3) → N2, a_2, b_2, c_2, P
37. Polygon(G3, E3, 3) → N3, d_2, e_2, f_2, Q
38. Polygon(G4, E4, 3) → N4, g_2, h_2, i_2, R
39. Polygon(G5, E5, 3) → N5, j_2, k_2, l_2, S
40. Polygon(G6, E6, 3) → N6, m_2, n_2, p_2, T
41. Polygon(G7, E7, 3) → N7, q_2, r_2, s_2, U
42. Polygon(G8, E8, 3) → N8, t_2, a_3, b_3, V
43. Polygon(G9, E9, 3) → N9, c_3, d_3, e_3, W
44. Ellipse(E2, F2, G2) → H2
45. Ellipse(E3, F3, G3) → H3
46. Ellipse(E4, F4, G4) → H4
47. Ellipse(E5, F5, G5) → H5
48. Ellipse(E6, F6, G6) → H6
49. Ellipse(E7, F7, G7) → H7
50. Ellipse(E8, F8, G8) → H8
51. Ellipse(E9, F9, G9) → H9