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N点圆

N点圆
几何画板及绘图内容加载中，请稍等……
2018-12-14 08:54
圆数列解析几何几何作图
所属专题 Star Drawings
①本范例演示了如何通过动态构造N个等分圆周上的点来绘制N点圆；②涉及的核心数学概念包括圆、等分、坐标几何、数列；③作图要点提炼自构造摘要，使用了Sequence（数列）和Point（点）命令；④适合高中数学学习，用于理解圆的参数方程和几何作图。

GeoGebra 命令及参数

  1. Sequence((cos(((m * 2) * π / N)), sin(((m * 2) * π / N))), m, 1, N) → l1
  2. Point(l1) → A
  3. Point(l1) → B
  4. Point(l1) → C
  5. Point(l1) → D
  6. Point(l1) → E
  7. Point(l1) → F
  8. Point(l1) → G
  9. Point(l1) → H
  10. Point(l1) → I
  11. Point(l1) → J
  12. Point(l1) → K
  13. Point(l1) → L
  14. Point(l1) → M
  15. Point(l1) → N_2
  16. Point(l1) → O
  17. Point(l1) → P
  18. Point(l1) → Q
  19. Point(l1) → R
  20. Point(l1) → S
  21. Point(l1) → T
  22. Point(l1) → U
  23. Point(l1) → V
  24. Point(l1) → W
  25. Point(l1) → Z
  26. Point(l1) → A_1
  27. Point(l1) → B_1
  28. Point(l1) → C_1
  29. Point(l1) → D_1
  30. Point(l1) → E_1
  31. Point(l1) → F_1
  32. Point(l1) → G_1
  33. Point(l1) → H_1
  34. Point(l1) → I_1
  35. Point(l1) → J_1
  36. Point(l1) → K_1
  37. Point(l1) → L_1
  38. Point(l1) → M_1
  39. Point(l1) → N_1
  40. Point(l1) → O_1
  41. Point(l1) → P_1
  42. Point(l1) → Q_1
  43. Point(l1) → R_1
  44. Point(l1) → S_1
  45. Point(l1) → T_1
  46. Point(l1) → U_1
  47. Point(l1) → V_1