音乐节拍2的几何化度量与构造协议

GeoGebra 命令及参数

1. Circle(B, C) → c
2. Segment(A, C) → f
3. OrthogonalLine(B, Segment[A, C]) → g
4. Intersect(c, g, 2) → D
5. Intersect(c, g, 1) → E
6. Segment(D, E) → h
7. Polygon(A, D_{1}, C, E_{1}) → q1, a, d_{1}, c_1, e_{1}
8. Polygon(A, B, D_{1}) → t1, i, a_1, b
9. Mirror(A, B) → A'
10. Mirror(B, B) → B'
11. Mirror(D_{1}, B) → F
12. Polygon(A', B', F) → t1', f_1, a', b'
13. Midpoint(i) → G
14. Midpoint(a_1) → H
15. Mirror(A, G_{1}) → A'_1
16. Mirror(B, G_{1}) → B'_1
17. Mirror(D_{1}, G_{1}) → I
18. Polygon(A'_1, B'_1, I) → t1'_1, i_1, a'_1, b'_1
19. Mirror(A, H_{1}) → A'_2
20. Mirror(B, H_{1}) → B'_2
21. Mirror(D_{1}, H_{1}) → J
22. Polygon(A'_2, B'_2, J) → t1'_2, j, a'_2, b'_2
23. Segment(I, A'_2) → k
24. LineBisector(Segment[I, A'_2]) → l
25. Intersect(e_{1}, b'_1) → K
26. Intersect(l, a) → L
27. Intersect(d_{1}, b'_2) → M
28. Intersect(l, c_1) → N
29. Mirror(A'_1, K_{1}) → O
30. Mirror(B'_1, K_{1}) → P
31. Mirror(I, K_{1}) → I'
32. Polygon(O, P, I') → t2, i', o, p
33. Mirror(A', N_{1}) → A''
34. Mirror(B', N_{1}) → B''
35. Mirror(F, N_{1}) → F'
36. Polygon(A'', B'', F') → t1'', f', a'', b''
37. Mirror(A, L_{1}) → A'_3
38. Mirror(B, L_{1}) → B'_3
39. Mirror(D_{1}, L_{1}) → Q
40. Polygon(A'_3, B'_3, Q) → t1'_3, q, a'_3, b'_3
41. Mirror(A'_2, M_{1}) → R
42. Mirror(B'_2, M_{1}) → S
43. Mirror(J, M_{1}) → J'
44. Polygon(R, S, J') → t3, j', r, s
45. Segment(B'_3, B'') → m
46. Polygon(B'_3, A'_2, B'', I) → q2, n, t, d, i_2
47. Circle(B, I) → e