欧拉公式

GeoGebra 命令及参数

1. Point(yAxis) → A
2. Circle(A, 1) → c
3. Vector(A, B) → u
4. Vector(B, C) → v
5. Circle(C, t02) → d
6. OrthogonalLine(C, yAxis) → f
7. Intersect(d, f, 2) → D
8. Vector(C, D) → w
9. Circle(D, t03) → e
10. OrthogonalLine(D, w) → g
11. Intersect(e, g) → E, F
12. Vector(D, F) → a
13. Circle(F, t04) → h
14. OrthogonalLine(F, yAxis) → i
15. Intersect(h, i, 1) → G
16. Vector(F, G) → b
17. OrthogonalLine(G, b) → j
18. Circle(G, t05) → k
19. Intersect(k, j) → H, I
20. Vector(G, I) → l
21. Circle(I, t06) → p
22. OrthogonalLine(I, l) → m
23. Intersect(p, m, 2) → J
24. Vector(I, J) → n
25. Circle(J, t07) → q
26. OrthogonalLine(J, n) → r
27. Intersect(q, r, 2) → K
28. Vector(J, K) → s
29. Circle(K, t08) → t
30. OrthogonalLine(K, s) → f_1
31. Intersect(t, f_1, 2) → L
32. Vector(K, L) → u_1
33. Circle(L, t09) → c_1
34. OrthogonalLine(L, u_1) → g_1
35. Intersect(c_1, g_1, 2) → M
36. Vector(L, M) → v_1
37. Circle(M, t10) → d_1
38. OrthogonalLine(M, v_1) → h_1
39. Intersect(d_1, h_1, 2) → N
40. Vector(M, N) → w_1
41. Circle(N, t11) → e_1
42. OrthogonalLine(N, w_1) → i_1
43. Intersect(e_1, i_1, 2) → O
44. Vector(N, O) → a_1
45. Circle(O, t12) → k_1
46. OrthogonalLine(O, a_1) → j_1
47. Intersect(k_1, j_1, 2) → P
48. Vector(O, P) → b_1
49. Circle(P, t13) → p_1
50. OrthogonalLine(P, b_1) → l_1
51. Intersect(p_1, l_1, 2) → Q
52. Vector(P, Q) → m_1
53. Circle(Q, t14) → q_1
54. OrthogonalLine(Q, m_1) → n_1
55. Intersect(q_1, n_1, 2) → R
56. Vector(Q, R) → r_1
57. Circle(R, t15) → s_1
58. OrthogonalLine(R, r_1) → t_1
59. Intersect(s_1, t_1, 2) → S
60. Vector(R, S) → u_2
61. Circle(S, t16) → c_2
62. OrthogonalLine(S, u_2) → f_2
63. Intersect(c_2, f_2, 2) → T
64. Vector(S, T) → v_2
65. Circle(T, t17) → d_2
66. OrthogonalLine(T, v_2) → g_2
67. Intersect(d_2, g_2, 2) → U
68. Vector(T, U) → w_2
69. Circle(U, t18) → e_2
70. OrthogonalLine(U, w_2) → h_2
71. Intersect(e_2, h_2, 2) → V
72. Vector(U, V) → a_2