deltoid的特殊情形

deltoid的特殊情形
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2023-10-27 15:39
这个范例演示了 deltoid 的特殊情形,涉及的核心数学概念包括特殊四边形的性质。通过使用 GeoGebra 的 Spline, SpeechBubbleRight, Segment, Point, Line 等命令,学生可以了解 deltoid 的定义及其与正方形、矩形、平行四边形和菱形的关系。适合初中5-6年级学生学习和应用特殊四边形的性质。

GeoGebra 命令及参数

  1. Spline({SplineAnchor_1, SplineAnchor_2, SplineAnchor_3, SplineAnchor_4}, 3) → SplineAnim
  2. SpeechBubbleRight(SpeechAnchor_1, 6, 1.8) → Vieleck1
  3. Segment(MD + (0, 0.5), DMax4) → SergeantCross1
  4. Segment(MD + (0.5, 0), DMax3) → SergeantCross4
  5. Segment(MD - (0, 0.5), DMax2) → SergeantCross3
  6. Segment(MD + (-0.5, 0), DMax1) → SergeantCross2
  7. Point(SergeantCross1) → DE4
  8. Point(SergeantCross3) → DE2
  9. Point(SergeantCross2) → DE1
  10. Line(DMax4, DMax2) → blackmirror
  11. Point(SergeantCross4) → DE3
  12. Segment(DE1, DE4) → DSeite4
  13. Segment(DE4, DE3) → DSeite3
  14. Segment(DE3, DE2) → DSeite2
  15. Segment(DE2, DE1) → DSeite1
  16. SelectedIndex(DropDown1) → Index1
  17. Segment(DE2, DE4) → dia2
  18. Segment(DE1, DE3) → dia1
  19. Textfield(input1) → InputBox1
  20. SelectedIndex(DropDown2) → Index2
  21. SelectedIndex(DropDown3) → Index3
  22. SelectedIndex(DropDown4) → Index4
  23. SelectedIndex(DropDown5) → Index5
  24. SelectedElement(DropDown2) → SelectedElementD2
  25. SelectedElement(DropDown3) → SelectedElementD3
  26. SelectedElement(DropDown4) → SelectedElementD4
  27. SelectedIndex(DropDown6) → Index6
  28. Textfield(input2) → InputBox2
  29. SelectedElement(DropDown5) → SelectedElementD5
  30. SelectedElement(DropDown6) → SelectedElementD6
  31. Circle(CMDelt, 1) → c
  32. Circle(CMSquare, 1) → e
  33. Circle(CMRaut, 1) → f
  34. Midpoint(Corner[Bild6, 1], Corner[Bild6, 3]) → Inv1Pos
  35. Midpoint(Corner[Bild7, 1], Corner[Bild7, 3]) → Inv2Pos
  36. Midpoint(Corner[Bild8, 1], Corner[Bild8, 3]) → Inv3Pos
  37. Midpoint(DE3, DE2) → BeschcAnchor
  38. Intersect(dia1, dia2) → F
  39. Angle(DE4, F, DE1) → ε_{1}
  40. Angle(DE1, DE4, DE3) → ζ
  41. Angle(DE4, DE3, DE2) → DELTA
  42. Angle(DE3, DE2, DE1) → θ
  43. Angle(DE2, DE1, DE4) → ε
  44. If(step ≟ 7 ∨ step ≟ 9, 450, 494) → posxsol
  45. If(step ≟ 7 ∨ step ≟ 9, 285, 143) → posysol
  46. SpeechBubbleRight(J, 11, 6) → Vieleck3
  47. SpeechBubbleRight(M, 8, 2) → Vieleck4
  48. SpeechBubbleRight(N, 8.2, 3) → Vieleck2
  49. SpeechBubbleRight(O, 12, 1) → Vieleck5
  50. Circle(CMPara, 1) → d
  51. Circle(CMGene, 1) → g
  52. Angle(DE1, DE4, DE3) → winkelshow1
  53. Angle(DE2, DE1, DE4) → winkelshow2
  54. Angle(DE3, DE2, DE1) → winkelshow3
  55. Angle(DE4, DE3, DE2) → winkelshow4
  56. Segment(P_1, P_1 + (0, lArrow)) → l
  57. Segment(DE2 + (0, 0.25), DE2 + (0, 0.65)) → h
  58. Rotate(Segment[DE2 + (0, 0.25), DE2 + (0, 0.65)], 90°, DE2) → i
  59. Rotate(Segment[DE2 + (0, 0.25), DE2 + (0, 0.65)], 180°, DE2) → j
  60. Rotate(Segment[DE2 + (0, 0.25), DE2 + (0, 0.65)], 270°, DE2) → k
  61. SelectedIndex(DropDown7) → Index7
  62. SelectedIndex(DropDown8) → Index8
  63. SelectedIndex(DropDown9) → Index9
  64. SpeechBubbleRight(S_1, 12, 1) → Vieleck6
  65. SpeechBubbleRight(T_1, 11.5, 1.5) → Vieleck7
  66. SpeechBubbleRight(T_1, 11.5, 1.5) → Vieleck8
  67. SpeechBubbleRight(U_1, 11.5, 1.5) → Vieleck9
  68. SpeechBubbleRight(V_1, 12, 1.5) → Vieleck10
  69. SpeechBubbleRight(V_1, 12, 1.5) → Vieleck11
  70. Rotate(Segment[DE4 + (0, 0.25), DE4 + (0, 0.65)], 90°, DE4) → m
  71. Rotate(Segment[DE4 + (0, 0.25), DE4 + (0, 0.65)], 180°, DE4) → n
  72. Rotate(Segment[DE4 + (0, 0.25), DE4 + (0, 0.65)], 270°, DE4) → p
  73. Rotate(Segment[DE4 + (0, 0.25), DE4 + (0, 0.65)], 0°, DE4) → q
  74. Point(SergeantCross3) → SolC1
  75. Circle(SolC1, tol) → VC1
  76. Point(SergeantCross1) → SolA
  77. Point(SergeantCross3) → SolC2
  78. Circle(SolC2, tol) → VC2
  79. Circle(SolA, tol) → VC3

AI 绘图提示语参考

绘制一个展示风筝形(Deltoid)特殊情况的教学几何图形。画面中心有一个风筝形,由四个顶点连接形成四条边,并在内部有两条相交的对角线。在风筝形的对角线交点处标注角度符号,显示多个内角的测量值。图形周围用文字气泡标注不同的特殊四边形名称,如正方形、矩形、平行四边形和菱形,表示风筝形与这些图形的关联。画面中还有几个同心圆或不同半径的圆,以及若干辅助点和线段,呈现几何构造的完整过程。整体布局清晰,适合中学生理解特殊四边形的性质与风筝形的关系。
以上提示语为根据原始绘图命令整理而来,仅供参考。