圆环与圆柱

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → I
2. Line(I, C) → f
3. Line(I, D) → g
4. Point(g) → F
5. OrthogonalLine(F, g) → h
6. Point(d) → G
7. Line(G, f) → i
8. Intersect(p, i, (0.8646958274483016, 1.0708883749629394)) → H
9. Circle(h, H) → e
10. Rotate(G, t, h) → G'
11. Rotate(H, t, h) → H'
12. Point(d) → J
13. Line(J, h) → l
14. Intersect(c, l, 2) → K
15. OrthogonalLine(L, yAxis) → m
16. Segment(J, K) → segJK
17. Rotate(J, t, m) → J'
18. Rotate(K, t, m) → K'
19. Circle(m, K) → q
20. Circle(m, J) → r
21. Point(xAxis) → M
22. Line(M, N) → s
23. Point(x = -1) → O
24. OrthogonalLine(O, yAxis) → f_1
25. Intersect(d, f_1, 2) → P
26. Intersect(d, f_1, 1) → Q
27. Intersect(p, f_1, (2.074351191463267, 2.190082644628087)) → R
28. Segment(O, P) → segOP
29. Segment(Q, R) → segQR
30. Intersect(c, f_1, 1) → S
31. Segment(O, S) → segOS
32. Circle(m, O) → c_1
33. Circle(m, Q) → d_1
34. Circle(m, O) → p_1
35. Circle(m, S) → q_1
36. Rotate(J, t, m) → J'_1
37. Rotate(K, t, m) → K'_1
38. Segment(J'_1, K'_1) → segJK'
39. Rotate(O, t, m) → O'
40. Rotate(S, t, m) → S'
41. Rotate(O, t, m) → O'_1
42. Rotate(P, t, m) → P'
43. Segment(O'_1, P') → segOP'
44. Rotate(O, t, m) → O'_2
45. Rotate(S, t, m) → S'_1
46. Segment(O'_2, S'_1) → segOS'
47. Rotate(Q, t, m) → Q'
48. Rotate(R, t, m) → R'
49. Segment(Q', R') → segQR'