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等比分配图解

等比分配图解
几何画板及绘图内容加载中，请稍等……
2017-09-14 22:52
多边形几何作图
所属专题 Primary School Mathematics Collection Numeracy Practice
该范例演示了如何通过等比分配来绘制图形。核心数学概念包括比例和几何作图。使用了Polygon, Textfield, Segment等GeoGebra命令。适合小学高年级或初中学生学习比例和几何作图。

GeoGebra 命令及参数

  1. Polygon((11, 3), (11, 5), (14, 5), (14, 3)) → AnswerBox, f, g, h, i
  2. Textfield(useratext) → InputBox1
  3. Textfield(userbtext) → InputBox2
  4. Polygon(RA, RB, RC, RD) → Rectangle, j, k, l, m
  5. Segment(HA, HB) → HLine1
  6. Segment(VA, VB) → VLine1
  7. Segment(VC, VD) → VLine2
  8. Segment(VE, VF) → VLine3
  9. Segment(VG, VH) → VLine4
  10. Segment(VS1a, VS1b) → VS1ab
  11. Segment(VS1c, VS1d) → VS1cd
  12. Segment(VS1e, VS1f) → VS1ef
  13. Segment(VS1g, VS1h) → VS1gh
  14. Segment(VS2a, VS2b) → VS2ab
  15. Segment(VS2c, VS2d) → VS2cd
  16. Segment(VS2e, VS2f) → VS2ef
  17. Segment(VS2g, VS2h) → VS2gh
  18. Segment(VS3a, VS3b) → VS3ab
  19. Segment(VS3c, VS3d) → VS3cd
  20. Segment(VS3e, VS3f) → VS3ef
  21. Segment(VS3g, VS3h) → VS3gh
  22. Segment(VS4a, VS4b) → VS4ab
  23. Segment(VS4c, VS4d) → VS4cd
  24. Segment(VS4e, VS4f) → VS4ef
  25. Segment(VS4g, VS4h) → VS4gh
  26. Segment(HS1a, HS1b) → HS1ab
  27. Segment(HS1c, HS1d) → HS1cd
  28. Segment(HS1e, HS1f) → HS1ef
  29. Segment(HS1g, HS1h) → HS1gh
  30. Segment(HS2a, HS2b) → HS2ab
  31. Segment(HS2c, HS2d) → HS2cd
  32. Segment(HS2e, HS2f) → HS2ef
  33. Segment(HS2g, HS2h) → HS2gh
  34. Segment(VS5a, VS5b) → VS5ab
  35. Segment(VS5c, VS5d) → VS5cd
  36. Segment(VS5e, VS5f) → VS5ef
  37. Segment(VS5g, VS5h) → VS5gh