球体互动

球体互动
几何画板及绘图内容加载中,请稍等……
2018-04-23 09:26
这个范例演示了球体的几何特性。它涉及球体、向量和余弦定理等核心数学概念。通过使用GeoGebra命令如Line, Point, Ellipse, Intersect等,可以构造球体的截面、切线等。适合高中数学教学和学习。

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