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菱形性质 by kjmillikan

菱形性质 by kjmillikan
几何画板及绘图内容加载中，请稍等……
2014-12-06 05:21
多边形角解析几何几何作图
这个范例演示菱形的性质。涉及的核心数学概念包括：菱形的定义、对角线性质、面积计算等。作图要点包括使用Circle、Point、Intersect、Segment、Angle、Distance等命令。适合初中及以上学生学习几何作图。

GeoGebra 命令及参数

  1. Circle(A, B) → c
  2. Point(c) → D
  3. Circle(D, A) → d
  4. Circle(B, A) → e
  5. Circle(D, A) → f
  6. Intersect(e, d) → D_1, C, ,
  7. Segment(B, C) → a
  8. Segment(C, D) → b
  9. Segment(D, A) → g
  10. Segment(A, B) → h
  11. Segment(C, A) → i
  12. Segment(B, D) → j
  13. Intersect(i, j) → E
  14. Angle(B, C, D) → α
  15. Angle(A, B, C) → β
  16. Angle(D, A, B) → γ
  17. Angle(C, D, A) → δ
  18. Angle(D, E, C) → ε
  19. Angle(C, E, B) → ζ
  20. Angle(B, E, A) → η
  21. Angle(A, E, D) → θ
  22. Angle(B, C, E) → ι
  23. Angle(E, C, D) → κ
  24. Angle(E, B, C) → λ
  25. Angle(A, B, E) → μ
  26. Angle(E, A, B) → ν
  27. Angle(D, A, E) → ξ
  28. Angle(C, D, E) → ο
  29. Angle(E, D, A) → ρ
  30. Distance(C, D) → distanceCD
  31. Distance(B, C) → distanceBC
  32. Distance(B, A) → distanceBA
  33. Distance(A, D) → distanceAD
  34. Distance(C, E) → distanceCE
  35. Distance(D, E) → distanceDE
  36. Distance(B, E) → distanceBE
  37. Distance(A, E) → distanceAE
  38. Distance(C, A) → distanceCA
  39. Distance(B, D) → distanceBD