塔桥几何建模：多边形与旋转构造

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(xAxis) → B
3. Point(xAxis) → C
4. Line(B, yAxis) → f
5. Line(C, yAxis) → g
6. Point(yAxis) → D
7. OrthogonalLine(D, f) → h
8. Intersect(f, h) → E
9. Intersect(g, h) → F
10. CircleArc(B, A, E) → c
11. CircleArc(C, F, A) → d
12. Point(c) → G
13. Point(d) → H
14. Segment(G, B) → i
15. Segment(H, C) → j
16. Rotate(G, a°, B) → G'
17. Angle(G, B, G') → α
18. Rotate(H, ((-a))°, C) → H'
19. Angle(H', C, H) → β
20. Polygon(G', B, 4) → poly1, k, l, m, n, I, J
21. Polygon(C, H', 4) → poly2, p, q, r, s, K, L
22. Segment(G', J) → t
23. Segment(B, I) → b
24. Segment(B, G') → e
25. Segment(C, H') → f_1
26. Segment(H', K) → g_1
27. Segment(C, L) → h_1
28. Point(t) → Q
29. Point(b) → R
30. OrthogonalLine(A, j) → i_1
31. Mirror(Q, i_1) → Q'
32. Mirror(R, i_1) → R'
33. Polygon(G', B, R, Q) → q1, g', b_1, r_1, q_1
34. Polygon(H', C, R', Q') → q2, h', c_1, r', q'
35. Segment(W, Z) → j_1
36. Point(j_1) → A_1
37. Point(Circle[A_1, 4]) → B_1
38. Segment(A_1, B_1) → k_1
39. Polygon(A_1, B_1, 4) → poly3, l_1, m_1, n_1, p_1, C_1, D_1