平行四边形示例与非示例

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Segment(B, C) → g
3. Segment(C, D) → h
4. Segment(D, A) → i
5. Segment(E, F) → j
6. Segment(F, G) → k
7. Segment(G, H) → l
8. Segment(H, E) → m
9. Segment(I, J) → n
10. Segment(J, K) → p
11. Segment(K, L) → q
12. Segment(L, I) → r
13. Segment(M, N) → s
14. Segment(N, O) → t
15. Segment(O, P) → a
16. Segment(P, M) → b
17. Segment(Q, R) → c
18. Segment(R, S) → d
19. Segment(S, T) → e
20. Segment(T, Q) → f_1
21. Segment(U, V) → g_1
22. Segment(V, W) → h_1
23. Segment(W, Z) → i_1
24. Segment(Z, U) → j_1
25. Segment(A_1, B_1) → k_1
26. Segment(B_1, C_1) → l_1
27. Segment(C_1, D_1) → m_1
28. Segment(D_1, E_1) → n_1
29. Segment(E_1, F_1) → p_1
30. Segment(F_1, A_1) → q_1
31. Segment(G_1, H_1) → r_1
32. Segment(H_1, I_1) → s_1
33. Segment(G_1, J_1) → t_1
34. Segment(J_1, K_1) → a_1
35. Segment(K_1, I_1) → b_1
36. Segment(L_1, M_1) → c_1
37. Segment(M_1, N_1) → d_1
38. Segment(N_1, O_1) → e_1
39. Segment(O_1, P_1) → f_2
40. Segment(P_1, Q_1) → g_2
41. Segment(Q_1, L_1) → h_2
42. Segment(R_1, S_1) → i_2
43. Segment(S_1, T_1) → j_2
44. Segment(T_1, U_1) → k_2
45. Segment(U_1, R_1) → l_2
46. Segment(V_1, W_1) → m_2
47. Segment(W_1, Z_1) → n_2
48. Segment(Z_1, A_2) → p_2
49. Segment(A_2, V_1) → q_2
50. Segment(B_2, C_2) → r_2
51. Segment(C_2, D_2) → s_2
52. Segment(D_2, E_2) → t_2
53. Segment(E_2, B_2) → a_2
54. Segment(F_2, G_2) → b_2