几何作图10-17

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Circle(B, A) → c
3. OrthogonalLine(B, f) → g
4. Intersect(c, g, 2) → C
5. Line(C, f) → h
6. OrthogonalLine(A, h) → i
7. Intersect(h, i) → D
8. Segment(E, F) → j
9. Circle(E, F) → d
10. OrthogonalLine(E, j) → k
11. OrthogonalLine(F, j) → l
12. Point(k) → G
13. Line(G, j) → m
14. Intersect(l, m) → H
15. Segment(I, J) → n
16. Circle(I, J) → e
17. Circle(J, I) → p
18. Intersect(e, p, 1) → K
19. Segment(I, K) → q
20. Segment(K, J) → r
21. Polygon(L, M, N, O) → poly1, l_1, m_1, n_1, o
22. Midpoint(m_1) → P
23. Midpoint(n_1) → Q
24. Midpoint(o) → R
25. Midpoint(l_1) → S
26. Segment(L, P) → s
27. Segment(L, Q) → t
28. Segment(M, R) → a
29. Segment(M, Q) → b
30. Segment(O, S) → f_1
31. Segment(O, P) → g_1
32. Segment(N, R) → h_1
33. Segment(N, S) → i_1
34. Polygon(T, U, V, W) → poly2, t_1, u, v, w
35. Midpoint(t_1) → Z
36. Midpoint(w) → A_1
37. Midpoint(v) → B_1
38. Midpoint(u) → C_1
39. Segment(Z, C_1) → j_1
40. Segment(C_1, B_1) → k_1
41. Segment(B_1, A_1) → p_1
42. Segment(A_1, Z) → q_1
43. Polygon(D_1, E_1, F_1, G_1) → poly3, d_1, e_1, f_2, g_2
44. AngularBisector(D_1, E_1, F_1) → r_1
45. AngularBisector(E_1, F_1, G_1) → s_1
46. AngularBisector(F_1, G_1, D_1) → a_1
47. AngularBisector(G_1, D_1, E_1) → b_1
48. Polygon(H_1, I_1, J_1, K_1) → poly4, h_2, i_2, j_2, k_2
49. LineBisector(i_2) → c_1
50. LineBisector(j_2) → l_2
51. LineBisector(k_2) → m_2
52. LineBisector(h_2) → n_2
53. Polygon(L_1, M_1, 4) → poly5, p_2, q_2, r_2, s_2, N_1, O_1
54. OrthogonalLine(N_1, s_2) → t_2
55. OrthogonalLine(N_1, p_2) → a_2