凯拉·弗莱特-菱形、正方形、梯形

凯拉·弗莱特-菱形、正方形、梯形
几何画板及绘图内容加载中,请稍等……
2016-03-09 22:05
这个GeoGebra范例展示了菱形、正方形和梯形的几何特性。它涉及的核心数学概念包括多边形、角和向量。通过使用Circle, Point, Intersect, Segment, Angle, OrthogonalLine, Distance, Line, Slope等命令,用户可以直观地理解这些图形的构造要点。适合初中和高中学生学习几何作图和相关概念。

GeoGebra 命令及参数

  1. Circle(A, 6.4) → c
  2. Point(c) → B
  3. Circle(B, 6.4) → d
  4. Intersect(c, d, 2) → C
  5. Intersect(c, d, 1) → D
  6. Segment(D, A) → a
  7. Segment(A, C) → b
  8. Segment(B, C) → e
  9. Segment(D, B) → f
  10. Angle(A, D, B) → α
  11. Angle(B, C, A) → β
  12. Angle(C, A, D) → γ
  13. Angle(D, B, C) → δ
  14. Circle(E, 7) → g
  15. Point(g) → F
  16. Circle(F, 7) → h
  17. Segment(E, F) → i
  18. OrthogonalLine(E, i) → j
  19. OrthogonalLine(F, i) → k
  20. Intersect(h, k, 1) → G
  21. Intersect(g, j, 1) → H
  22. OrthogonalLine(G, k) → l
  23. Distance(E, H) → distanceEH
  24. Distance(F, G) → distanceFG
  25. Distance(G, H) → distanceGH
  26. Distance(E, F) → distanceEF
  27. Circle(I, 8) → p
  28. Point(p) → J
  29. Point(p) → K
  30. Segment(J, K) → m
  31. Segment(I, K) → n
  32. Segment(I, J) → q
  33. Point(q) → L
  34. Line(L, m) → r
  35. Intersect(r, n) → M
  36. Slope(n) → m_1
  37. Slope(n) → m_2
  38. Slope(r) → m_3
  39. Slope(m) → m_4