GeoGebra几何构造与拖拽测试

GeoGebra几何构造与拖拽测试
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2017-02-20 22:46
①本范例演示通过拖拽点观察几何图形变化,特别是函数图像与概率分布的动态效果;②涉及核心数学概念包括函数、概率统计、几何变换、数列等;③构造过程中使用GeoGebra命令/对象有Ray(射线)、Point(点)、Polygon(多边形)、Segment(线段)、OrthogonalLine(垂线)、Circle(圆)、Intersect(交点)、Line(直线);④适合高中及以上数学学习者,用于理解函数与概率的动态关系及几何作图技巧。

GeoGebra 命令及参数

  1. Ray(M, U) → d1
  2. Point(d1) → V
  3. Polygon(A, B, C, D) → SquareA, a, b, c, d
  4. Segment(E, F) → e
  5. OrthogonalLine(F, e) → f
  6. Circle(F, E) → g
  7. Intersect(g, f, 2) → G
  8. OrthogonalLine(G, f) → h
  9. OrthogonalLine(E, e) → i
  10. Intersect(h, i) → H
  11. Polygon(E, F, G, H) → SquareB, e_1, f_1, g_1, h_1
  12. Segment(I, J) → j
  13. Circle(I, J) → k
  14. Circle(J, I) → p
  15. OrthogonalLine(I, j) → l
  16. OrthogonalLine(J, j) → m
  17. Intersect(p, m, 2) → K
  18. Intersect(k, l, 2) → L
  19. Polygon(I, J, K, L) → SquareF, i_1, j_1, k_1, l_1
  20. Segment(M, V) → n
  21. OrthogonalLine(M, n) → s
  22. Segment(Q, R) → t
  23. Segment(Q, S) → a1
  24. Line(S, t) → b1
  25. Line(R, a1) → c1
  26. Intersect(b1, c1) → T
  27. Polygon(Q, R, T, S) → SquareD, q_1, r_1, t_1, s_1
  28. OrthogonalLine(V, d1) → q
  29. Point(q) → N
  30. OrthogonalLine(N, q) → r
  31. OrthogonalLine(M, n) → e1
  32. Intersect(r, e1) → O
  33. Polygon(M, V, N, O) → SquareC, m_1, v, n_1, o
  34. Segment(P, W) → f1
  35. Line(A1, f1) → h1
  36. Point(h1) → B1
  37. Polygon(P, W, B1, A1) → SquareE, p_1, w, b1_1, a1_1