三角形全等准则 by David

GeoGebra 命令及参数

1. Point(Circle[A, 3]) → B
2. Segment(A, B) → a
3. Point(Circle[C, 5]) → D
4. Segment(C, D) → b
5. Point(Circle[E, 7]) → F
6. Segment(E, F) → c
7. Polygon(G, H, 4) → poly1, d, e, f, g, I, J
8. Distance(H, d) → distanceHd
9. Point(Circle[K, 18]) → L
10. Segment(K, L) → h
11. Polygon(K, L, 4) → poly2, i, j, k, l, M, N
12. Point(Circle[O, 4]) → P
13. Segment(O, P) → m
14. Point(Circle[Q, 6]) → R
15. Segment(Q, R) → n
16. Rotate(S, 50*°, T) → S'
17. Angle(S, T, S') → α
18. Segment(T, S) → p
19. Segment(T, S') → q
20. Point(Circle[U, 18]) → V
21. Segment(U, V) → r
22. Polygon(U, V, 4) → poly3, s, t, a_1, b_1, W, Z
23. Rotate(A_1, -50*°, B_1) → C_1
24. Angle(C_1, B_1, A_1) → β
25. Segment(A_1, B_1) → c_1
26. Segment(C_1, B_1) → d_1
27. Point(Circle[D_1, 6]) → E_1
28. Segment(D_1, E_1) → e_1
29. Rotate(F_1, 30*°, G_1) → H_1
30. Angle(F_1, G_1, H_1) → γ
31. Segment(H_1, G_1) → f_1
32. Segment(G_1, F_1) → g_1
33. Point(Circle[I_1, 18]) → J_1
34. Segment(I_1, J_1) → h_1
35. Polygon(I_1, J_1, 4) → poly4, i_1, j_1, k_1, l_1, K_1, L_1
36. Rotate(M_1, 30*°, N_1) → O_1
37. Angle(M_1, N_1, O_1) → δ
38. Segment(N_1, M_1) → m_1
39. Segment(O_1, N_1) → n_1
40. Rotate(P_1, -70*°, Q_1) → R_1
41. Angle(R_1, Q_1, P_1) → ε
42. Segment(P_1, Q_1) → p_1
43. Segment(Q_1, R_1) → q_1
44. Point(Circle[S_1, 18]) → T_1
45. Segment(S_1, T_1) → r_1
46. Polygon(S_1, T_1, 4) → poly5, s_1, t_1, a_2, b_2, U_1, V_1
47. Point(Circle[W_1, 7]) → Z_1
48. Segment(W_1, Z_1) → c_2
49. Point(Circle[A_2, 8]) → B_2
50. Segment(A_2, B_2) → d_2
51. Rotate(C_2, -50*°, D_2) → E_2
52. Angle(E_2, D_2, C_2) → ζ
53. Segment(D_2, C_2) → e_2
54. Segment(D_2, E_2) → f_2
55. Rotate(F_2, 80*°, G_2) → H_2
56. Angle(F_2, G_2, H_2) → η
57. Segment(H_2, G_2) → g_2
58. Segment(G_2, F_2) → h_2