圆锥体积 by Ashar_Arabi

GeoGebra 命令及参数

1. Circle(A, r) → c
2. Point(c) → B
3. Line(B, A) → a
4. Intersect(c, a) → C, D
5. Point(c) → E
6. Line(E, A) → b
7. Point(b) → F
8. Point(b) → G
9. Ellipse(B, D, G) → d
10. Point(Circle[A, h]) → H
11. Segment(A, H) → e
12. Rotate(A, 90*°, A) → A'
13. Rotate(H, 90*°, A) → H'
14. Segment(A', H') → e'
15. Vector(A, H') → u
16. Translate(d, u) → d'
17. OrthogonalLine(B, e) → f
18. OrthogonalLine(H, e) → g
19. Intersect(d', f) → I, J
20. Intersect(d', g) → K, L
21. Segment(B, I) → i
22. Segment(H, K) → j
23. Segment(A, D) → k
24. OrthogonalLine(D, k) → l
25. Intersect(d', l) → N, O
26. Segment(O, D) → m
27. Circle(P, r) → p
28. Point(p) → Q
29. Line(P, Q) → n
30. OrthogonalLine(P, n) → q
31. Rotate(P, 30*°, Q) → P'
32. Angle(P, Q, P') → α
33. Line(Q, P') → s
34. Rotate(P, 330*°, Q) → P'_1
35. Angle(P'_1, Q, P) → β
36. Line(Q, P'_1) → t
37. Intersect(t, s) → R
38. Intersect(q, t) → S
39. Intersect(s, q) → T
40. Line(P, Q) → a_1
41. OrthogonalLine(P, a_1) → b_1
42. Rotate(P, 15*°, Q) → P'_2
43. Angle(P, Q, P'_2) → γ
44. Rotate(P, 345*°, Q) → P'_3
45. Angle(P'_3, Q, P) → δ
46. Line(Q, P) → c_1
47. Line(Q, P) → d_1
48. Intersect(p, d_1) → U, V
49. Ellipse(V, Q, W) → e_1
50. Segment(P, Q) → f_1
51. Point(e_1) → A_1
52. Point(Circle[P, h]) → Z
53. Segment(P, Z) → g_1
54. Rotate(Z, 90*°, P) → Z'
55. Segment(P, Z') → h_1
56. Segment(V, Z') → i_1
57. Segment(Z', Q) → j_1