梅特罗顿立方体

梅特罗顿立方体
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2017-09-25 05:27
①本范例演示梅特罗顿立方体的构造及其与黄道十二宫的联系;②涉及核心数学概念包括几何作图、圆、多边形、立体几何;③作图要点提炼自构造摘要,用到了Intersect(相交)、Point(点)、Segment(线段)、Circle(圆)、Line(直线)、Polygon(多边形)、Distance(距离)、Pyramid(金字塔)、Tetrahedron(四面体)、Plane(平面)、Mirror(镜像)等GeoGebra命令/对象;④适合高中及以上学生及数学爱好者学习几何作图与立体几何知识。

GeoGebra 命令及参数

  1. Intersect(xAxis, yAxis) → A
  2. Point(xAxis) → B
  3. Segment(A, B) → f
  4. Circle(A, Segment[A, B]) → c
  5. Point(yAxis) → C
  6. Circle(C, f) → d
  7. Point(yAxis) → D
  8. Circle(D, f) → e
  9. Point(yAxis) → E
  10. Circle(E, f) → g
  11. Point(yAxis) → F
  12. Circle(F, f) → h
  13. Circle(G, f) → k
  14. Circle(H, f) → p
  15. Circle(I, f) → q
  16. Circle(J, f) → r
  17. Line(J, G) → i
  18. Line(I, H) → j
  19. Point(j) → K
  20. Circle(K, f) → s
  21. Point(j) → L
  22. Circle(L, f) → t
  23. Point(i) → M
  24. Circle(M, f) → c_1
  25. Point(i) → N
  26. Circle(N, f) → d_1
  27. Polygon(L, F, N, K, E, M) → poly1, l, f_1, n, k_1, e_1, m
  28. Polygon(M, F, K) → t1, k_2, m_1, f_2
  29. Polygon(L, E, N) → t2, n_1, l_1, e_2
  30. Intersect(d, f_2, 2) → O
  31. Intersect(f_2, n_1) → P
  32. Intersect(k_2, n_1) → Q
  33. Intersect(k_2, e_2) → R
  34. Intersect(m_1, e_2) → S
  35. Intersect(m_1, l_1) → T
  36. Intersect(f_2, l_1) → U
  37. Polygon(P, Q, R, S, T, U) → poly2, p_1, q_1, r_1, s_1, t_1, u
  38. Distance(M, F) → distanceMF
  39. Distance(S, K) → distanceSK
  40. Distance(M, F) → MF
  41. Distance(S, K) → SK
  42. Pyramid(t2, 0) → o, V, faceELV, faceENV, faceLNV, edgeLV, edgeEV, edgeNV
  43. Tetrahedron(L, E, faceLNV) → v, W, edgeLZ, edgeWZ, edgeEZ, Z, faceELW, faceLWZ, faceELZ, faceEWZ, edgeLW, edgeEL, edgeEW
  44. Plane(Z, xOyPlane) → w
  45. Mirror(faceLWZ, w) → faceLWZ'
  46. Mirror(faceELZ, w) → faceELZ'
  47. Mirror(faceEWZ, w) → faceEWZ'