球体体积与表面积的相关性演示

GeoGebra 命令及参数

1. Line(A, B) → a
2. Point(a) → D
3. Point(a) → F
4. Ellipse(D, F, G) → c
5. Intersect(c, a, 1) → H
6. Intersect(c, a, 2) → I
7. Segment(H, I) → b
8. Midpoint(b) → J
9. Circle(J, I) → d
10. Circle(J, F) → e
11. Segment(J, F) → f
12. Line(A_1, B_1) → a_1
13. Point(a_1) → D_1
14. Point(a_1) → F_1
15. Ellipse(D_1, F_1, G_1) → c_1
16. Intersect(c_1, a_1, 1) → H_1
17. Intersect(c_1, a_1, 2) → I_1
18. Segment(H_1, I_1) → b_1
19. Midpoint(b_1) → J_1
20. Circle(J_1, I_1) → d_1
21. Circle(J_1, F_1) → e_1
22. Segment(J_1, F_1) → f_1
23. Line(A_2, B_2) → a_2
24. Point(a_2) → D_2
25. Point(a_2) → F_2
26. Ellipse(D_2, F_2, G_2) → c_2
27. Intersect(c_2, a_2, 1) → H_2
28. Intersect(c_2, a_2, 2) → I_2
29. Segment(H_2, I_2) → b_2
30. Midpoint(b_2) → J_2
31. Circle(J_2, I_2) → d_2
32. Circle(J_2, F_2) → e_2
33. Segment(J_2, F_2) → f_2