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正方体展开图 by ümran

正方体展开图 by ümran
几何画板及绘图内容加载中，请稍等……
2018-08-11 20:17
立体几何变换几何作图
这个范例演示了正方体的展开图。涉及的核心数学概念包括立体几何和几何作图。通过使用GeoGebra命令如Cube, Rotate, Midpoint等，可以构造出正方体的各个面及其展开图。适合初中及以上学生学习立体几何和几何作图。

GeoGebra 命令及参数

  1. Cube(A, B, xOyPlane) → a, C, faceBCGF, faceCDHG, faceEFGH, edgeAD, edgeAB, edgeBC, edgeCD, edgeAE, edgeDH, edgeEH, D, edgeEF, edgeBF, edgeFG, edgeCG, edgeGH, E, F, G, H, faceABCD, faceADHE, faceABFE
  2. Rotate(faceABFE, (90° * t), edgeAB) → faceABFE'
  3. Midpoint(A, C) → I
  4. OrthogonalLine(I, xOyPlane) → b
  5. Rotate(faceABFE', 90*°, b) → faceABFE''
  6. Rotate(faceABFE', 180*°, b) → faceABFE''_1
  7. Rotate(faceABFE', 270*°, b) → faceABFE''_2
  8. Rotate(E, (90° * t), edgeAB) → E'
  9. Rotate(F, (90° * t), edgeAB) → F'
  10. Segment(E', F') → c
  11. Rotate(Rotate[faceEFGH, (90° * t), edgeAB], (90° * t), Segment[E', F']) → poly1
  12. Translate(J, Vector[A, B]) → K
  13. Translate(faceABFE''_1, Vector[A, J]) → poly2
  14. Translate(faceABCD, Vector[A, J]) → faceABCD'
  15. Translate(faceABFE', Vector[A, J]) → faceABFE''_3
  16. Translate(poly1, Vector[A, J]) → poly1'
  17. Translate(Rotate[Rotate[faceADHE, (90° * t), edgeAB], (((-90))° * t), Segment[Rotate[E, (90° * t), edgeAB], Rotate[A, (90° * t), edgeAB]]], Vector[A, J]) → poly4
  18. Translate(faceABFE'', Vector[A, J]) → faceABFE'''
  19. Translate(faceABCD, Vector[A, L]) → faceABCD'_1
  20. Translate(faceABFE''_1, Vector[A, L]) → poly3
  21. Translate(faceABFE', Vector[A, L]) → faceABFE''_4
  22. Translate(poly1, Vector[A, L]) → poly1'_1
  23. Translate(faceABFE'', Vector[A, L]) → faceABFE'''_1
  24. Midpoint(B, E') → M
  25. OrthogonalLine(M, faceABFE') → d
  26. Translate(Rotate[faceABFE'', 180*°, d], Vector[A, L]) → poly5
  27. Translate(faceABCD, Vector[A, O]) → faceABCD'_2
  28. Translate(faceABFE''_1, Vector[A, O]) → poly6
  29. Translate(faceABFE', Vector[A, O]) → faceABFE''_5
  30. Translate(poly1, Vector[A, O]) → poly1'_2
  31. Translate(faceABFE'', Vector[A, O]) → faceABFE'''_2
  32. Translate(Rotate[Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]], Vector[A, O]) → poly8
  33. Translate(faceABCD, Vector[A, N]) → faceABCD'_3
  34. Translate(faceABFE''_1, Vector[A, N]) → poly7
  35. Translate(faceABFE', Vector[A, N]) → faceABFE''_6
  36. Translate(poly1, Vector[A, N]) → poly1'_3
  37. Translate(Rotate[faceABFE'', 180*°, d], Vector[A, N]) → poly9
  38. Rotate(Rotate[H, (90° * t), edgeAB], (90° * t), Segment[E', F']) → P
  39. Midpoint(P, F') → Q
  40. OrthogonalLine(Q, poly1) → e
  41. Translate(Rotate[Rotate[faceABFE'', 180*°, d], 180*°, e], Vector[A, N]) → poly10
  42. Translate(faceABCD, Vector[A, R]) → faceABCD'_4
  43. Translate(faceABFE''_1, Vector[A, R]) → poly11
  44. Translate(faceABFE', Vector[A, R]) → faceABFE''_7
  45. Translate(poly1, Vector[A, R]) → poly1'_4
  46. Translate(Rotate[faceABFE'', 180*°, d], Vector[A, R]) → poly12
  47. Rotate(F', 180*°, b) → F''
  48. Midpoint(C, F'') → S
  49. OrthogonalLine(S, faceABFE''_1) → g
  50. Translate(Rotate[Rotate[Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]], 180*°, g], Vector[A, R]) → poly15
  51. Translate(faceABCD, Vector[A, T]) → faceABCD'_5
  52. Translate(faceABFE''_1, Vector[A, T]) → poly13
  53. Translate(faceABFE', Vector[A, T]) → faceABFE''_8
  54. Translate(Rotate[faceABFE', 270*°, b], Vector[A, T]) → poly14
  55. Translate(Rotate[poly1, -90*°, b], Vector[A, T]) → poly16
  56. Translate(Rotate[Rotate[Rotate[faceADHE, (90° * t), edgeAB], (((-90))° * t), Segment[Rotate[E, (90° * t), edgeAB], Rotate[A, (90° * t), edgeAB]]], 180*°, d], Vector[A, T]) → poly17
  57. Translate(faceABCD, Vector[A, U]) → faceABCD'_6
  58. Translate(faceABFE''_1, Vector[A, U]) → poly18
  59. Translate(faceABFE', Vector[A, U]) → faceABFE''_9
  60. Translate(Rotate[faceABFE', 270*°, b], Vector[A, U]) → poly19
  61. Translate(Rotate[Rotate[Rotate[faceADHE, (90° * t), edgeAB], (((-90))° * t), Segment[Rotate[E, (90° * t), edgeAB], Rotate[A, (90° * t), edgeAB]]], 180*°, d], Vector[A, U]) → poly20
  62. Translate(Rotate[faceABFE'', 270*°, d], Vector[A, U]) → poly22
  63. Translate(faceABCD, Vector[A, V]) → faceABCD'_7
  64. Translate(faceABFE''_1, Vector[A, V]) → poly21
  65. Translate(Rotate[faceABFE, (90° * t), edgeAB], Vector[A, V]) → poly23
  66. Translate(Rotate[Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]], Vector[A, V]) → poly24
  67. Rotate(Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]) → poly25
  68. Rotate(Rotate[E, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]) → W
  69. Midpoint(D, W) → Z
  70. OrthogonalLine(Z, poly25) → h
  71. Rotate(faceABFE''_1, 90*°, h) → poly26
  72. Translate(Rotate[faceABFE''_1, 90*°, h], Vector[A, V]) → poly27
  73. Rotate(C, 90*°, h) → C'
  74. Midpoint(W, C') → A_1
  75. OrthogonalLine(A_1, poly26) → i
  76. Rotate(poly25, 180*°, i) → poly25'
  77. Translate(Rotate[poly25, 180*°, i], Vector[A, V]) → poly28
  78. Translate(faceABCD, Vector[A, B_1]) → faceABCD'_8
  79. Translate(faceABFE''_1, Vector[A, B_1]) → poly29
  80. Translate(faceABFE', Vector[A, B_1]) → faceABFE''_{10}
  81. Translate(Rotate[Rotate[Rotate[faceADHE, (90° * t), edgeAB], (((-90))° * t), Segment[Rotate[E, (90° * t), edgeAB], Rotate[A, (90° * t), edgeAB]]], 180*°, d], Vector[A, B_1]) → poly30
  82. Translate(Rotate[Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]], Vector[A, B_1]) → poly31
  83. Translate(Rotate[faceABFE''_1, 90*°, h], Vector[A, B_1]) → poly32
  84. Translate(faceABCD, Vector[A, C_1]) → faceABCD'_9
  85. Translate(faceABFE''_1, Vector[A, C_1]) → poly33
  86. Translate(Rotate[Rotate[faceADHE, (90° * t), edgeCD], (90° * t), Segment[Rotate[H, (90° * t), edgeCD], Rotate[D, (90° * t), edgeCD]]], Vector[A, C_1]) → poly34
  87. Translate(Rotate[faceABFE''_1, 90*°, h], Vector[A, C_1]) → poly35
  88. Translate(faceABFE'', Vector[A, C_1]) → faceABFE'''_3
  89. Rotate(G, 90*°, b) → G'
  90. Rotate(F', 90*°, b) → F''_1
  91. Midpoint(B, F''_1) → D_1
  92. OrthogonalLine(D_1, faceABFE'') → j
  93. Rotate(faceABCD, 90*°, j) → faceABCD'_{10}
  94. Translate(Rotate[faceABCD, 90*°, j], Vector[A, C_1]) → poly36