运动对称 = 保持质心

GeoGebra 命令及参数

1. Point(yAxis) → R
2. Point(yAxis) → A
3. Segment(A, S) → i
4. Point(xAxis) → C
5. Point(yAxis) → B
6. CircleArc(A, R, B) → c
7. Intersect(c, i) → T,
8. Ray(A, C) → b
9. OrthogonalLine(C, b) → d
10. CircleArc(A, C, T) → Arc
11. Point(d) → K
12. Angle(C, A, Rotate[C, alfa, A]) → α
13. OrthogonalLine(T, yAxis) → j
14. OrthogonalLine(T, xAxis) → l
15. Intersect(j, yAxis) → U
16. Intersect(l, xAxis) → V
17. Segment(A, V) → cosinus
18. Segment(A, U) → sinus
19. Segment(U, T) → s
20. Segment(V, T) → t
21. Segment(C, S) → tangens
22. Point(yAxis) → D
23. Point(yAxis) → L
24. Point(d) → M
25. Segment(A, J) → m
26. Intersect(c, m) → O,
27. OrthogonalLine(O, yAxis) → n
28. OrthogonalLine(O, xAxis) → p
29. Intersect(p, xAxis) → P
30. Intersect(n, yAxis) → Q
31. Segment(C, J) → q
32. Segment(A, Q) → r
33. Segment(A, P) → b_1
34. Angle(J, A, V) → β
35. Segment(P, O) → e
36. Segment(O, Q) → f
37. Point(xAxis) → W
38. CircleArc(A, O, C) → g
39. Segment(T, S) → a
40. Segment(J, O) → h
41. Segment(V, Q) → k
42. Line(C, k) → a_1
43. Intersect(a_1, yAxis) → F
44. Line(F, xAxis) → c_1
45. Line(S, xAxis) → d_1
46. Point(d_1) → G
47. Line(G, yAxis) → e_1
48. Intersect(e_1, c_1) → H
49. Segment(G, H) → v_{ab}
50. Segment(G, S) → g_1
51. Segment(H, F) → h_1
52. Segment(F, C) → i_1
53. Polygon(A, B_1, N, U) → p_{ea}, a_2, b_2, E_{a}, u
54. Polygon(C_1, Z, Q, A) → p_{eb}, c_2, E_{b}, q_1, a_3
55. Polygon(C, S, D_1, D_2) → p_{ia}, c_3, E_{0a}, d_2, d_3
56. Polygon(C, F_2, F_1, J) → p_{ib}, c_4, f_2, E_{0b}, j_1