特殊图形的旋转对称性

GeoGebra 命令及参数

1. Point(xAxis) → A
2. Point(xAxis) → B
3. Point(xAxis) → E
4. Point(xAxis) → F
5. Point(xAxis) → M
6. Point(xAxis) → P
7. Point(xAxis) → S
8. Polygon(Z, A_1, 3) → poly1, a, b, c, B_1
9. Polygon(A, B, C, D) → poly2, a_1, b_1, c_1, d
10. Polygon(E, F, G, H) → poly3, e, f, g, h
11. Polygon(I, J, K, L) → poly4, i, j, k, l
12. Polygon(M, P, O, N) → poly5, m, p, o, n
13. Polygon(Q, R, S, T) → poly6, q, r, s, t
14. Polygon(U, V, W) → poly7, w, u, v
15. Polygon(E_1, F_1, 5) → poly8, l_1, m_1, n_1, p_1, q_1, G_1, H_1, I_1
16. Polygon(J_1, K_1, 6) → poly9, r_1, O_1, s_1, t_1, a_2, b_2, c_2, L_1, M_1, N_1
17. Polygon(P_1, Q_1, 8) → poly10, d_2, S_1, T_1, U_1, V_1, W_1, e_2, f_2, g_2, h_2, i_2, j_2, k_2, R_1
18. Centroid(poly9) → C_1
19. Centroid(poly8) → D_1
20. Centroid(poly10) → Z_1
21. Centroid(poly1) → A_2
22. Centroid(poly2) → B_2
23. Centroid(poly3) → C_2
24. Centroid(poly4) → D_2
25. Centroid(poly5) → E_2
26. Centroid(poly7) → F_2
27. Rotate(A, angle, B_2) → A'
28. Rotate(B, angle, B_2) → B'
29. Rotate(C, angle, B_2) → C'
30. Rotate(D, angle, B_2) → D'
31. Polygon(A', B', C', D') → poly2', a', b', c', d'
32. Rotate(E, angle, C_2) → E'
33. Rotate(F, angle, C_2) → F'
34. Rotate(G, angle, C_2) → G'
35. Rotate(H, angle, C_2) → H'
36. Polygon(E', F', G', H') → poly3', e', f', g', h'
37. Rotate(I, angle, D_2) → I'
38. Rotate(J, angle, D_2) → J'
39. Rotate(K, angle, D_2) → K'
40. Rotate(L, angle, D_2) → L'
41. Polygon(I', J', K', L') → poly4', i', j', k', l'
42. Rotate(M, angle, E_2) → M'
43. Rotate(P, angle, E_2) → P'
44. Rotate(O, angle, E_2) → O'
45. Rotate(N, angle, E_2) → N'
46. Polygon(M', P', O', N') → poly5', m', p', o', n'
47. Rotate(U, angle, F_2) → U'
48. Rotate(V, angle, F_2) → V'
49. Rotate(W, angle, F_2) → W'
50. Polygon(U', V', W') → poly7', w', u', v'
51. Rotate(poly1, angle, A_2) → poly1'
52. Rotate(poly8, angle, D_1) → poly8'
53. Rotate(Q, angle, R) → Q'
54. Rotate(R, angle, R) → R'
55. Rotate(S, angle, R) → S'
56. Rotate(T, angle, R) → T'
57. Polygon(Q', R', S', T') → poly6', q', r', s', t'
58. Rotate(poly9, angle, C_1) → poly9'
59. Rotate(poly10, angle, Z_1) → poly10'