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三棱锥 by KruPongsak Wuttisant _TH

三棱锥 by KruPongsak Wuttisant _TH
几何画板及绘图内容加载中，请稍等……
2018-05-25 16:04
解析几何立体几何几何作图
这个范例演示了三棱锥的几何构造。涉及的核心数学概念包括立体几何中的三棱锥结构。通过使用GeoGebra命令如Random、If、Mod等，可以动态地展示三棱锥的各个面和顶点。适合高中阶段的学生和教师使用，用于教学和学习立体几何。

GeoGebra 命令及参数

  1. Random(5, 10) → n1
  2. Random(5, 10) → n2
  3. Random(1, 2) → f
  4. Random(3, 15) → n
  5. If(f ≟ 1, b1, b2) → b
  6. If(f ≟ 1, a1, a2) → a
  7. If(f ≟ 1, c1, c2) → c
  8. Mod(e, 1000) → ef1
  9. If(ef1 < 10 ∧ ef10 > 0, ef10 + ",00" + ef1, If[ef1 < 100 ∧ ef10 > 0, ef10 + ",0" + ef1, If[ef10 ≟ 0, "" + ef1, ef10 + "," + ef1]]) → tok1
  10. Mod(e1, 1000) → ef2
  11. If(ef2 < 10 ∧ ef20 > 0, ef20 + ",00" + ef2, If[ef2 < 100 ∧ ef20 > 0, ef20 + ",0" + ef2, If[ef20 ≟ 0, "" + ef2, ef20 + "," + ef2]]) → tok2
  12. Mod(e2, 1000) → ef3
  13. If(ef3 < 10 ∧ ef30 > 0, ef30 + ",00" + ef3, If[ef3 < 100 ∧ ef30 > 0, ef30 + ",0" + ef3, If[ef30 ≟ 0, "" + ef3, ef30 + "," + ef3]]) → tok3
  14. Mod(e3, 1000) → ef4
  15. If(ef4 < 10 ∧ ef40 > 0, ef40 + ",00" + ef4, If[ef4 < 100 ∧ ef40 > 0, ef40 + ",0" + ef4, If[ef40 ≟ 0, "" + ef4, ef40 + "," + ef4]]) → tok4
  16. Mod(ar1, 1000) → af1
  17. Mod(ar2, 1000) → af2
  18. Mod(ar3, 1000) → af3
  19. Random(1, 4) → g
  20. Mod(ar4, 1000) → af4
  21. If(af1 < 10 ∧ af10 > 0, af10 + ",00" + af1, If[af1 < 100 ∧ af10 > 0, af10 + ",0" + af1, If[af10 ≟ 0, "" + af1, af10 + "," + af1]]) → aok1
  22. If(af2 < 10 ∧ af20 > 0, af20 + ",00" + af2, If[af2 < 100 ∧ af20 > 0, af20 + ",0" + af2, If[af20 ≟ 0, "" + af2, af20 + "," + af2]]) → aok2
  23. If(af3 < 10 ∧ af30 > 0, af30 + ",00" + af3, If[af3 < 100 ∧ af30 > 0, af30 + ",0" + af3, If[af30 ≟ 0, "" + af3, af30 + "," + af3]]) → aok3
  24. If(af4 < 10 ∧ af40 > 0, af40 + ",00" + af4, If[af4 < 100 ∧ af40 > 0, af40 + ",0" + af4, If[af40 ≟ 0, "" + af4, af40 + "," + af4]]) → aok4
  25. If(g ≟ 1, "ลบ.ซม.", If[g ≟ 2, "ตร.ซม.", "ซม."]) → noi
  26. If(g ≟ 1, tok1, If[g ≟ 2, aok1, If[g ≟ 3, bt + "", ct + ""]]) → to1
  27. If(g ≟ 1, tok2, If[g ≟ 2, aok2, If[g ≟ 3, bt2 + "", ct1 + ""]]) → to2
  28. If(g ≟ 1, tok3, If[g ≟ 2, aok3, If[g ≟ 3, bt3 + "", ct2 + ""]]) → to3
  29. If(g ≟ 1, tok4, If[g ≟ 2, aok4, If[g ≟ 3, bt4 + "", ct3 + ""]]) → to4
  30. Random(1, 4) → h
  31. If(i ≟ 1, "ก.", If[i ≟ 2, "ข.", If[i ≟ 3, "ค.", "ง."]]) → text25
  32. If(h ≟ 1, "ก.", If[h ≟ 2, "ข.", If[h ≟ 3, "ค.", "ง."]]) → text27