几何构造与随机实验演示

GeoGebra 命令及参数

1. Segment(A_1, B_1) → f
2. Circle(A_1, B_1) → c
3. Circle(B_1, A_1) → d
4. Intersect(c, d, 1) → C_1
5. Segment(C_1, A_1) → g
6. Segment(C_1, B_1) → h
7. Rotate(D_1, (-(60°)), E_1) → D'
8. Angle(D', E_1, D_1) → α
9. Segment(D_1, E_1) → i
10. Segment(E_1, D') → j
11. Point(j) → F
12. Circle(E_1, F) → e
13. Intersect(e, j, 1) → G_1
14. Intersect(e, i, 1) → H_1
15. Circle(F, I_1) → k
16. Circle(H_1, J_1) → p
17. Intersect(k, p, 2) → K
18. Segment(E_1, K) → l
19. Circle(A_2, 3) → q
20. Segment(A_2, B_2) → m
21. Segment(A_2, C_2) → n
22. Intersect(q, n, 1) → D_2
23. Intersect(q, m, 1) → E_2
24. Ray(G, H) → r
25. Circle(G, 3) → s
26. Intersect(s, r, 1) → I
27. Distance(D_2, E_2) → distanceDE
28. Circle(I, 1.38) → t
29. Intersect(s, t, 1) → J
30. Ray(G, J) → a
31. Segment(A, B) → b
32. Circle(A, B) → c_1
33. Circle(B, L) → d_1
34. Intersect(c_1, d_1, 1) → C
35. Intersect(c_1, d_1, 2) → D
36. Line(C, D) → f_1
37. Intersect(b, f_1) → E
38. Point(c_1) → M
39. Circle(C, M) → e_1
40. Intersect(c_1, e_1, 2) → N
41. Intersect(d_1, e_1, 2) → O
42. Line(N, O) → g_1
43. Polygon(P, Q, R) → t1, r_1, p_1, q_1
44. LineBisector(P, Q) → h_1
45. LineBisector(P, R) → i_1
46. LineBisector(Q, R) → j_1
47. Intersect(h_1, j_1) → S
48. AngularBisector(P, R, Q) → k_1
49. AngularBisector(Q, P, S) → l_1
50. Intersect(i_1, k_1) → T