三角锥的几何构造与性质

GeoGebra 命令及参数

1. Line(J, K) → h
2. Circle(J, base_1) → g
3. Intersect(g, h, 1) → M
4. Vector(J, M) → w
5. Dilate(I, base, H) → L
6. Vector(H, L) → v
7. Translate(A, v) → B
8. Midpoint(A, B) → C
9. Midpoint(C, A) → D
10. Translate(D, Vector[w / 2]) → N
11. AngularBisector(A, N, B) → l
12. AngularBisector(B, A, N) → k
13. Intersect(k, l) → O
14. Dilate(F, height, E) → G
15. Vector(E, G) → u
16. Translate(O, u) → D_1
17. Circle(J, 1) → d
18. Polygon(A, N, B) → P, b, a, n
19. Polygon(D_1, A, N) → Q, n_1, n', a_1
20. Polygon(D_1, B, N) → R, n_2, n'_1, b_1
21. Polygon(A, D_1, B) → S, b_2, a_2, n'_2
22. Segment(N, D) → c
23. Midpoint(N, D) → T
24. If(VolumeFormula ≟ 1, U) → Z
25. If(VolumeSolution ≟ 1, V) → A_1
26. Segment(D_1, O) → m
27. Midpoint(D_1, O) → C_1