正方体的几何构造

GeoGebra 命令及参数

1. Point(xAxis) → E
2. Pyramid(C, A, B, D, E) → a, faceABDC, edgeCE, edgeAE, edgeBE, edgeDE, faceACE, faceABE, faceBDE, faceCDE, edgeAC, edgeAB, edgeBD, edgeCD
3. Point(zAxis) → F
4. Segment(F, C) → f
5. Segment(F, E) → g
6. Segment(F, B) → h
7. Point(zAxis) → G
8. Segment(G, C) → i
9. Segment(B, G) → j
10. Segment(E, G) → k
11. Segment(D, G) → l
12. Segment(G, A) → m
13. Segment(F, A) → n
14. Segment(F, D) → p
15. Segment(F, H) → r
16. Segment(H, G) → q
17. Polygon(A, G, D) → t1, d, a_1, g_1
18. Polygon(H, G, D) → t2, d_1, h_1, g_2
19. Segment(B, H) → s
20. Segment(C, H) → t
21. Segment(E, H) → b
22. Segment(C, I) → e
23. Point(e) → J
24. Segment(F, J) → f_1
25. Segment(J, B) → i_1
26. Segment(J, E) → k_1
27. Midpoint(H, J) → K
28. Midpoint(J, H) → L
29. Midpoint(B, C) → M
30. Midpoint(H, J) → N
31. Sphere(E, J) → o
32. Segment(J, G) → c
33. Segment(D, J) → j_1