维罗纳圆形剧场几何作图

GeoGebra 命令及参数

1. Point(xAxis) → I
2. Point(xAxis) → J
3. Mirror(F, xAxis) → F'
4. Angle(F, E, F') → α
5. Line(F', E) → f
6. Point(f) → G
7. Rotate(F', 67.5°, G) → F''
8. Line(F'', G) → g
9. Circle(E, H) → c
10. CircleArc(E, F, F') → d
11. CircleArc(G, F', F'') → e
12. Line(F, E) → h
13. Line(J, H) → i
14. CircleArc(K, F'', L) → k
15. CircleArc(M, L, F) → p
16. Angle(E, G, K) → β
17. Line(K, f) → j
18. Intersect(c, f, 1) → N
19. Angle(H, E, N) → γ
20. Circle(K, Radius[c]) → q
21. Intersect(q, g, 1) → O
22. Intersect(q, j, 2) → P
23. Intersect(c, h, 1) → Q
24. CircleArc(E, Q, N) → r
25. CircleArc(K, O, P) → s
26. CircleArc(G, N, O) → t
27. CircleArc(M, P, Q) → c_1
28. Line(M, G) → l
29. CircleSector(G, N, O) → d_1
30. CircleSector(E, Q, N) → e_1
31. Segment(E, N) → m
32. Segment(G, O) → n
33. Point(n) → R