球体体积的推导 by David Chandler

GeoGebra 命令及参数

1. Sphere(A, B) → a
2. Cylinder(C, D, 2) → b, c, d, e
3. Cone(D, E, 2) → f, g, h
4. Cone(C, E, 2) → i, k, j
5. Segment(G, F) → l
6. Point(l) → H
7. OrthogonalPlane(H, l) → m
8. IntersectPath(m, a) → p
9. IntersectPath(m, b) → q
10. Corner(q) → M, N, O, P
11. IntersectPath(m, i) → r
12. IntersectPath(m, f) → s
13. Corner(s) → I, J, K, L
14. Segment(C, D) → n
15. Segment(Q, B) → t
16. Intersect(t, m) → R
17. Intersect(n, m) → S
18. Line(H, S) → a_1
19. Intersect(a_1, p) → T, U
20. Segment(R, T) → b_1
21. Segment(R, A) → c_1
22. Segment(A, T) → d_1
23. Intersect(a_1, q) → V, W
24. Intersect(a_1, r) → Z, A_1
25. Segment(Z, E) → e_1
26. Segment(E, S) → f_1
27. Segment(S, V) → g_1