完全四边形对边垂直二等分线交点及斯泰纳圆周

GeoGebra 命令及参数

1. Line(A, B) → f
2. Point(f) → D
3. Line(C, D) → g
4. Line(A, C) → h
5. Point(h) → E
6. Line(B, E) → i
7. Intersect(g, i) → F
8. Circle(B, F, D) → c
9. Circle(F, E, C) → d
10. Intersect(c, d, 2) → M
11. Circle(B, E, A) → e
12. Circle(A, D, C) → k
13. Segment(B, M) → j
14. Segment(M, C) → l
15. Segment(M, F) → m
16. Segment(A, M) → n
17. LineBisector(j) → p
18. LineBisector(l) → q
19. LineBisector(m) → r
20. LineBisector(n) → s
21. Intersect(p, r) → G
22. Intersect(s, p) → H
23. Intersect(q, s) → I
24. Intersect(q, r) → J
25. Circle(G, M, J) → t
26. LineBisector(D, F) → a
27. LineBisector(A, E) → b
28. Intersect(a, b) → K
29. Line(G, F) → f_1
30. Intersect(d, f_1, 2) → L
31. Segment(M, L) → g_1
32. Segment(E, M) → h_1
33. Segment(H, M) → i_1
34. Angle(j, p) → η
35. Segment(H, L) → j_1
36. Segment(L, E) → k_1
37. Segment(G, M) → l_1
38. Intersect(p, j) → N
39. Angle(h, b) → α
40. Intersect(h, b) → O
41. Angle(E, H, O) → β
42. Angle(E, B, A) → γ
43. Angle(a, g) → ζ
44. Angle(F, G, K) → θ
45. Angle(H, K, G) → ι
46. Angle(H, L, G) → κ