对称棱柱与三角形构造

GeoGebra 命令及参数

1. Midpoint(C, A) → G
2. Midpoint(A, B) → H
3. Midpoint(B, D) → I
4. Midpoint(D, C) → J
5. Midpoint(C, B) → K
6. Vector(A, B) → u
7. Vector(A, C) → v
8. Segment(E, G) → a
9. Segment(E, H) → b
10. Segment(L, M) → c
11. Segment(M, N) → d
12. Segment(M, P) → e
13. Segment(M, Q) → f
14. Rotate(cell1, 120*°, E) → cell2
15. Rotate(cell1, 240*°, E) → cell3
16. Rotate(cell123, 180*°, K) → cell456
17. Sequence(Translate[Sequence[Translate[tile, Vector[(n * u)]], n, -3, 3], Vector[(m * v)]], m, -3, 3) → tiling
18. Vector(B, D) → w
19. Vector(C, D) → g
20. Segment(C, B) → h
21. Segment(F, J) → j
22. Segment(F, I) → k
23. Segment(E, F) → i