探究半球体积

GeoGebra 命令及参数

1. CurveCartesian(A + (r; θ), θ, 0, π) → d
2. Line(A, A + (1, 0)) → h
3. Surface(d, 180°, h) → a
4. Point(h) → B
5. Circle(B, r, xOyPlane) → m
6. Cylinder(B, C, r) → b, e, g_1, h_1
7. Cone(C, B, r) → i, k, j
8. Point(xAxis) → D
9. Segment(D, E) → l
10. Point(l) → F
11. Vector(A, G) → u
12. Circle(G, sqrt(r^(2) - z(F)^(2)), u) → c
13. Circle(H, z(F), e) → f
14. Circle(H, r, e) → g
15. Segment(I, J) → n
16. Point(n) → K
17. Circle(A, r, e) → p
18. Point(c) → L
19. Segment(A, L) → q
20. Segment(A, G) → s
21. Segment(G, L) → f_1
22. Angle(A, G, L) → α
23. Segment(H, B) → i_1
24. Line(H, f_1) → j_1
25. Intersect(j_1, f, 1) → M
26. Segment(H, M) → k_1
27. Circle(A, r, e) → c_1
28. Ray(B, M) → l_1
29. Point(k) → N
30. Segment(C, N) → m_1
31. Point(c_1) → O
32. Segment(A, O) → n_1
33. Segment(N, N') → p_1
34. Circle(Q, r) → e_1
35. Circle(Q, z(F)) → q_1
36. Circle(Q, z(F)) → r_1
37. Circle(P, r) → s_1
38. Circle(P, f_1) → d_1
39. Segment(P, L') → t_1
40. Segment(P, O') → a_1
41. Segment(Q, M') → b_1
42. Segment(Q, N_2) → f_2
43. Point(m_1) → R
44. Segment(R, R') → g_2