Max Bill 的几何作图 by Mihaela Git

GeoGebra 命令及参数

1. Point(xAxis) → A
2. Point(xAxis) → B
3. Polygon(A, B, 3) → poly1, f, g, h, C
4. Dilate(C, 1 / 3, A) → C'
5. Dilate(C, 1 / 2, C') → C'_1
6. Dilate(C, 1 / 3, B) → C'_2
7. Dilate(C, 1 / 2, C'_2) → C'_3
8. Dilate(A, 1 / 3, B) → A'
9. Dilate(A, 1 / 2, A') → A'_1
10. Segment(C', A'_1) → i
11. Segment(A', C'_2) → j
12. Segment(C'_1, C'_3) → k
13. Polygon(C', A'_1, 3) → poly2, l, m, n, D
14. Polygon(A', C'_2, 3) → poly3, p, q, r, E
15. Polygon(C'_1, C'_3, 3) → poly4, s, t, a, F
16. Polygon(C'_3, D, 3) → poly5, b, c, d, G
17. Polygon(C'_1, D, 3) → poly6, e, f_1, g_1, H
18. Polygon(C'_1, C', 3) → poly7, h_1, i_1, j_1, I
19. Polygon(A'_1, A', 3) → poly8, k_1, l_1, m_1, J
20. Polygon(C', A, 3) → poly9, n_1, p_1, q_1, K
21. Polygon(C'_2, B, 2) → poly10, r_1, s_1
22. Polygon(A', B, 3) → poly11, t_1, a_1, b_1, L