棱柱中的棱锥

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(Ray[A, A + (1, 0)]) → B
3. Point(Ray[A, A + (0, 1)]) → C
4. Translate(A, Vector[(0, 0, ht)]) → A'
5. Translate(B, Vector[(0, 0, ht)]) → B'
6. Translate(C, Vector[(0, 0, ht)]) → C'
7. Translate(D, Vector[(0, 0, ht)]) → D'
8. Segment(A, A') → a
9. Segment(B, B') → b
10. Segment(C, C') → c
11. Segment(D, D') → d
12. Segment(A, B) → e
13. Segment(D, C) → f
14. Segment(B, D) → g
15. Segment(C, A) → h
16. Segment(A', B') → i
17. Segment(B', D') → j
18. Segment(D', C') → k
19. Segment(C', A') → l
20. Pyramid(A, B, B', A', C') → m, faceAA'B'B, edgeAC'_1, edgeBC'_1, edgeB'C'_1, edgeA'C', faceABC'_1, faceBB'C'_1, faceA'B'C', faceAA'C', edgeAB_1, edgeBB'_1, edgeA'B', edgeAA'
21. Pyramid(A, B, D, C, C') → n, faceABDC, edgeAC', edgeBC'_2, edgeC'D_1, edgeCC', faceABC', faceBC'D_1, faceCC'D, faceACC', edgeAB_2, edgeBD_1, edgeCD, edgeAC
22. Pyramid(B, D, D', B', C') → o, faceBB'D'D, edgeBC', edgeC'D, edgeC'D', edgeB'C', faceBC'D, faceC'DD', faceB'C'D', faceBB'C', edgeBD_2, edgeDD', edgeB'D', edgeBB'
23. Rotate
24. Rotate
25. Line(A, B) → q
26. Rotate
27. Rotate
28. Rotate(A', ((decompose * 90))°, A, Vector[A, B]) → A''
29. Rotate(B', ((decompose * 90))°, A, Vector[A, B]) → B''
30. Rotate(C', ((decompose * 90))°, A, Vector[A, B]) → C''
31. Pyramid(A, B, B'', A'', C'') → r, faceAA''B''B, edgeAC'', edgeBC'', edgeB''C'', edgeA''C'', faceABC'', faceBB''C'', faceA''B''C'', faceAA''C'', edgeAB, edgeBB'', edgeA''B'', edgeAA''
32. Rotate(B', ((decompose * 90))°, B, Vector[B, D]) → B''_1
33. Rotate(D', ((decompose * 90))°, B, Vector[B, D]) → D''
34. Rotate(C', ((decompose * 90))°, B, Vector[B, D]) → C''_1
35. Pyramid(B, D, D'', B''_1, C''_1) → s, face5, edge2, edge3, edge6, edge5, face1, face3, face4, face2, edgeBD, edgeDD'', edge4, edge1