立方体中的金字塔 by Nicolas ERDRICH

GeoGebra 命令及参数

1. OrthogonalLine(I, xAxis) → l_1
2. OrthogonalLine(I, l_1) → m_1
3. Point(m_1) → K
4. Point(l_1) → P
5. Sequence(Mat * Element[cube, k], k, 1, 8) → cube'
6. Element(Element[AE, 3], 1) → droite
7. Sequence((Element[cube', k, 1, 1], Element[cube', k, 2, 1]), k, 1, 8) → listepoints
8. Point(listepoints) → A
9. Point(listepoints) → E
10. Point(listepoints) → C_1
11. Point(listepoints) → D
12. Polygon(A, E, C_1, D) → poly1, a_1, b, c_1, d
13. Point(listepoints) → B
14. Point(listepoints) → F
15. Point(listepoints) → G
16. Point(listepoints) → H
17. Polygon(B, F, G, H) → poly2, e, f, g, h
18. Point(listepoints) → C
19. Polygon(F, C, A, B) → poly3, f_1, i, a_2, b_1
20. Element(AB, 3, 1) → avant
21. Polygon(C_1, G, H, E) → poly4, c_2, g_1, h_1, e_1
22. Element(AC, 3, 1) → dessus
23. Polygon(F, C, C_1, G) → poly5, f_2, c_3, c_4, g_2
24. Polygon(A, B, H, E) → poly6, a_3, b_2, h_2, e_2
25. Segment(E, A) → c
26. Segment(A, C) → j
27. Segment(A, B) → k
28. Segment(C, C_1) → l
29. Segment(C_1, E) → m
30. Segment(H, E) → n
31. Segment(A, B) → p
32. Segment(B, H) → q
33. Segment(H, E) → r
34. Segment(H, G) → s
35. Segment(B, F) → t
36. Segment(G, C_1) → d_1
37. Segment(F, G) → i_1
38. Segment(F, C) → j_1
39. PointIn(poly5) → J
40. Segment(J, E) → k_1
41. Polygon(J, E, H) → poly7, h_3, j_2, e_3
42. Polygon(J, H, B) → poly8, b_3, j_3, h_4
43. Polygon(J, E, A) → poly9, a_4, j_4, e_4
44. Polygon(J, A, B) → poly10, b_4, j_5, a_5
45. Angle(Line[A, E], Line[A, J]) → ang1
46. Angle(Line[E, H], Line[E, J]) → ang2
47. Angle(Line[H, B], Line[H, J]) → ang3
48. Angle(Line[B, A], Line[B, J]) → ang4
49. Polygon(A, B, H, E) → poly11, a_6, b_5, h_5, e_5
50. Angle(Line[B, H], Line[B, A]) → ang5