Deltoide

Deltoide
几何画板及绘图内容加载中,请稍等……
2023-03-17 01:54
所属专题 geometriadinamica.es
本范例演示了一个 Deltoide 的构造,展示了其独特的几何形状。核心数学概念包括几何学和几何构造。作图要点包括使用 GeoGebra 命令:Intersect、Point、Circle、Ray、Angle、Rotate、Segment、CircleArc。适合的学段或用途包括初中数学和几何学的学习。

GeoGebra 命令及参数

  1. Intersect(xAxis, yAxis) → A_1
  2. Point(xAxis) → B_1
  3. Circle(A_1, 0.6666666666666666) → d
  4. Point(d) → A
  5. Ray(A_1, A) → b
  6. Angle(B_1, A_1, A) → α
  7. Circle(A_1, B_1) → c
  8. Intersect(c, b) → D,
  9. Circle(A, 0.3333333333333333) → e
  10. Rotate(D, (-3 * α), A) → C
  11. Segment(A, C) → a
  12. CircleArc(A, C, D) → f
  13. CircleArc(A_1, B_1, D) → g
  14. Segment(A_1, A) → h
  15. Rotate(A, 29.999999999999996°, A) → A'
  16. Rotate(C, 29.999999999999996°, A) → C'
  17. Segment(A', C') → i
  18. Rotate(A', 29.999999999999996°, A) → A''
  19. Rotate(C', 29.999999999999996°, A) → C''
  20. Segment(A'', C'') → j
  21. Rotate(A'', 29.999999999999996°, A) → A'''
  22. Rotate(C'', 29.999999999999996°, A) → C'''
  23. Segment(A''', C''') → k
  24. Rotate(A''', 29.999999999999996°, A) → A''''
  25. Rotate(C''', 29.999999999999996°, A) → C''''
  26. Segment(A'''', C'''') → l
  27. Rotate(A'''', 29.999999999999996°, A) → A'''''
  28. Rotate(C'''', 29.999999999999996°, A) → C'''''
  29. Segment(A''''', C''''') → m
  30. Rotate(A''''', 29.999999999999996°, A) → A''''''
  31. Rotate(C''''', 29.999999999999996°, A) → C''''''
  32. Segment(A'''''', C'''''') → n
  33. Rotate(A'''''', 29.999999999999996°, A) → A'''''''
  34. Rotate(C'''''', 29.999999999999996°, A) → C'''''''
  35. Segment(A''''''', C''''''') → p
  36. Rotate(A''''''', 29.999999999999996°, A) → A''''''''
  37. Rotate(C''''''', 29.999999999999996°, A) → C''''''''
  38. Segment(A'''''''', C'''''''') → q
  39. Rotate(A'''''''', 29.999999999999996°, A) → A'''''''''
  40. Rotate(C'''''''', 29.999999999999996°, A) → C'''''''''
  41. Segment(A''''''''', C''''''''') → s
  42. Rotate(A''''''''', 29.999999999999996°, A) → A''''''''''
  43. Rotate(C''''''''', 29.999999999999996°, A) → C''''''''''
  44. Segment(A'''''''''', C'''''''''') → t
  45. Rotate(A'''''''''', 29.999999999999996°, A) → A'''''''''''
  46. Rotate(C'''''''''', 29.999999999999996°, A) → C'''''''''''
  47. Segment(A''''''''''', C''''''''''') → a_1
  48. Rotate(D, (-3 * α), A) → B

AI 绘图提示语参考

绘制一个由圆弧和线段构成的对称几何图形。先以原点为圆心画一个小圆,并在圆上取一点作为顶点,从原点向该点作射线。再以原点为圆心、以横轴上一点为半径画大圆,射线与大圆交于一点。以顶点为圆心画一个小圆,将交点绕顶点旋转三倍于射线与横轴夹角的角度,得到另一关键点。连接顶点与旋转点形成一条边,并绘制从顶点到旋转点再到大圆交点的圆弧。随后,将这条边绕顶点每次旋转约30度,重复多次,形成一系列放射状线段,最终构成一个类似风筝的曲线轮廓。
以上提示语为根据原始绘图命令整理而来,仅供参考。