Spiral Catalin

GeoGebra 命令及参数

1. Polygon(A, B, 3) → poly1, f, g, h, C
2. OrthogonalLine(C, f) → i
3. Intersect(f, i) → D
4. Segment(C, D) → j
5. Polygon(D, C, 3) → poly2, k, l, m, E
6. Intersect(h, m) → F
7. Polygon(F, C, 3) → poly3, n, p, q, G
8. Intersect(l, q) → H
9. Polygon(H, C, 3) → poly4, r, s, t, I
10. Intersect(p, t) → J
11. Polygon(J, C, 3) → poly5, a, b, c, K
12. Intersect(s, c) → L
13. Polygon(L, C, 3) → poly6, d, e, f_1, M
14. Intersect(b, f_1) → N
15. Polygon(N, C, 3) → poly7, g_1, h_1, i_1, O
16. Intersect(e, i_1) → P
17. Polygon(P, C, 3) → poly8, j_1, k_1, l_1, Q
18. Intersect(h_1, l_1) → R
19. Polygon(R, C, 3) → poly9, m_1, n_1, p_1, S
20. Intersect(k_1, p_1) → T
21. Polygon(T, C, 3) → poly10, q_1, r_1, s_1, U
22. Intersect(n_1, s_1) → V
23. Polygon(V, C, 3) → poly11, t_1, a_1, b_1, W