Mobilis in mobili symmetry (generalised)

GeoGebra Commands & Parameters

1. Circle(D, d) → h
2. Point(h) → E
3. Circle(A, a) → e
4. Point(e) → B
5. Circle(B, b) → f
6. Point(f) → C
7. Segment(C, E) → s
8. Circle(C, c) → g
9. Point(g) → G
10. Segment(G, E) → p
11. Rotate(G, 90°, C) → G'
12. Midpoint(G', G) → P
13. Line(C, P) → j_1
14. Intersect(g, j_1, 2) → Q
15. Segment(Q, E) → p_1
16. Segment(G', E) → q
17. Line(G', C) → k
18. Intersect(g, k, 2) → I
19. Midpoint(G, I) → N
20. Line(C, N) → i_1
21. Intersect(g, i_1, 2) → O
22. Segment(O, E) → t_1
23. Segment(I, E) → n
24. Line(G, C) → i
25. Intersect(g, i, 2) → H
26. Midpoint(H, I) → L
27. Line(C, L) → f_1
28. Intersect(g, f_1, 2) → M
29. Segment(M, E) → s_1
30. Midpoint(G', H) → J
31. Line(C, J) → t
32. Intersect(g, t, 2) → K
33. Segment(K, E) → r_1
34. Segment(H, E) → r
35. Angle(G, C, G') → α
36. Segment(C, G') → j
37. Segment(G, H) → l
38. Segment(G', I) → m
39. Segment(C, K) → k_1
40. Segment(C, O) → l_1
41. Segment(C, Q) → m_1
42. Segment(C, M) → n_1
43. Polygon(G, Q, G', K, H, M, I, O) → poly1, g_1, q_1, g', k_2, h_1, m_2, ı, o