正五边形 by Aaron Goldsmith

GeoGebra 命令及参数

1. Circle(O, A) → c
2. Line(O, A) → f
3. Intersect(c, f, 2) → B
4. Circle(A, 14) → d
5. Circle(B, 14) → e
6. Circle(B, 13.998171309138916) → g
7. Intersect(d, e, 1) → C_1
8. Point(d) → D_1
9. Segment(A, D_1) → h
10. Segment(B, E_1) → i
11. Point(g) → F_1
12. Point(g) → G_1
13. CircleArc(B, F_1, G_1) → k
14. Point(g) → H_1
15. Point(d) → J_1
16. Point(d) → K
17. CircleArc(A, J_1, K) → q
18. Point(d) → L
19. Point(d) → M
20. CircleArc(A, M, L) → r
21. Intersect(k, r) → N, , ,
22. Segment(N, O) → j
23. Intersect(c, j, 1) → C
24. Circle(C, O) → s
25. Point(s) → P
26. Point(s) → Q
27. CircleArc(C, P, Q) → t
28. Point(s) → R
29. Point(s) → S
30. CircleArc(C, S, R) → c_1
31. Segment(C, O) → l
32. Intersect(t, c) → T, , ,
33. Intersect(c, c_1) → U, , ,
34. Segment(T, U) → m
35. Intersect(m, l) → D
36. Circle(D, C) → d_1
37. Line(A, D) → n
38. Intersect(c, n, 2) → V
39. Segment(A, V) → a
40. Intersect(d_1, a) → E, F
41. Circle(A, E) → e_1
42. Circle(A, F) → f_1
43. Intersect(f_1, c) → G_2, H, ,
44. Intersect(c, e_1, 1) → J
45. Polygon(H, B, 5) → poly1, p, b, g_1, h_1, i_1, G, Z, A_1