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Net of a Cube by Rhiannon

Net of a Cube by Rhiannon
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2016-04-11 10:07
PolygonVectorSolid GeometryTransformationGeometric Construction
This GeoGebra example demonstrates the dynamic construction of a cube's net, unfolding the six faces of a cube into a planar cross-shaped layout within a 3D view. The core mathematical concepts involve solid geometry (cube properties), the relationship between 3D solids and their 2D nets, and geometric transformations including translation, reflection, and orthogonal projection. Construction highlights: using GeoGebra commands such as Vector, Translate, OrthogonalLine, Polygon, Midpoint, Segment, and Mirror to build vertices, edges, and faces, while parameters like sinphi, cosphi, sintheta, costheta control the 3D view rotation for the unfolding animation. Suitable for middle and high school mathematics lessons on solid geometry, helping students visualize the six possible nets of a cube and enhance spatial reasoning skills.

GeoGebra Commands & Parameters

  1. Vector(B_1, Z) → w
  2. Vector(B_1, Y) → v
  3. Vector(B_1, X) → u
  4. Translate(A, Vector[(2 * v)]) → A'
  5. Translate(P, Vector[(2 * v)]) → P'
  6. OrthogonalLine(View3D, yAxis) → a_1
  7. OrthogonalLine(View3D, xAxis) → b_1
  8. Polygon(L, K, N, M) → poly1, l, k_1, n, m
  9. Polygon(K, P, Q, N) → poly2, k_2, p, q, n_1
  10. Polygon(L, M, S, R) → poly3, l_1, m_1, s, r
  11. Polygon(N, V, W, M) → poly4, n_2, v_1, w_1, m_2
  12. Polygon(K, T, U, L) → poly5, k_3, t, u_1, l_2
  13. Polygon(B, Q, P, A) → poly6, b_2, q_1, p_1, a_2
  14. Midpoint(R, M) → D
  15. Translate(S, Vector[(-((2 * v)))]) → S'
  16. Segment(S, C) → e
  17. Translate(M, Vector[(-2 * v)]) → M'
  18. Segment(M, E) → f
  19. Segment(E, C) → h
  20. Translate(N, Vector[(-2 * v)]) → N'
  21. Translate(Q, Vector[(-2 * v)]) → Q'_1
  22. Segment(Q, F) → i
  23. Segment(N, G) → j
  24. Segment(G, F) → d_1
  25. Translate(Q, Vector[(-2 * v)]) → Q'_2
  26. Translate(B, Vector[(-2 * v)]) → B'_1
  27. Segment(B, I) → e_1
  28. Segment(I, H) → f_1
  29. Segment(H, Q) → g_1
  30. Translate(K, Vector[(2 * v)]) → K'
  31. Translate(P, Vector[(2 * v)]) → P'_1
  32. Segment(P, J) → h_1
  33. Segment(J, A_1) → i_1
  34. Segment(A_1, K) → j_1
  35. Segment(B, H_1) → s_1
  36. Segment(H_1, C_1) → c
  37. Segment(C_1, A) → r_1
  38. Midpoint(N, P) → D_1
  39. Midpoint(k_1) → F_1
  40. Segment(A, G_1) → t_1
  41. Segment(G_1, I_1) → c_2
  42. Segment(I_1, P) → d_2
  43. Segment(J, K_1) → f_2
  44. Segment(P, L_1) → e_2
  45. Segment(L_1, K_1) → g_2
  46. Segment(M, W) → h_2
  47. Mirror(L_1, F_1) → O_1
  48. Mirror(K_1, F_1) → P_1
  49. Segment(M, M_1) → i_2
  50. Segment(N_1, J_1) → j_2
  51. Segment(J_1, M_1) → p_2
  52. Polygon(M, E, C, S) → poly7, q_2, r_2, s_2, t_2
  53. Polygon(Q, N, G, F) → poly8, q_3, n_3, g_3, f_3
  54. Polygon(B, Q, H, I) → poly9, b_3, q_4, h_3, i_3
  55. Polygon(J, A_1, K, P) → poly10, j_3, a_3, k_4, p_3
  56. Polygon(C_1, A, B, H_1) → poly11, c_3, a_4, b_4, h_4
  57. Polygon(G_1, I_1, P, A) → poly12, g_4, i_4, p_4, a_5
  58. Polygon(K_1, J, P, L_1) → poly13, k_5, j_4, p_5, l_3
  59. Polygon(M, M_1, J_1, N_1) → poly14, m_3, m_4, j_5, n_4

AI Drawing Prompt Reference

Create a 3D animation of a cube unfolding into its net. Start with a cube composed of six polygonal faces, arranged symmetrically around a central point. Use vector translations and mirror reflections to unfold the faces into a flat cross-shaped layout, preserving the connecting edges between faces. Control the viewing angle with orthogonal projections and rotation parameters to animate the unfolding process. The figure includes multiple vertices, edges, and faces, along with auxiliary segments and symmetric points, ultimately displaying the complete planar net of the cube's six faces.
The prompt above was compiled from the original drawing commands and is for reference only.