不等边三角形的性质

不等边三角形的性质
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2017-02-07 07:01
该范例演示了不等边三角形的性质,涉及三角形的基本概念。通过使用GeoGebra命令如Point、Textfield、Sequence等,可以构造出不等边三角形,并观察其边长、角度等属性。适合初中及以上学生学习三角形的相关知识。

GeoGebra 命令及参数

  1. Point(yAxis) → A_x
  2. Textfield(m_1) → inputBox1
  3. Textfield(s) → inputBoxf
  4. Sequence(Vector[(6, m_1(q(R(i)))), (8, s(m_1(q(R(i)))))], i, 1, 5) → Quadgvlist
  5. Sequence(Vector[(4, q(R(i))), (6, m_1(q(R(i))))], i, 1, 5) → Quadmvlist
  6. Sequence(Vector[(0, i), (2, R(i))], i, 1, 5) → QuadRvlist
  7. Sequence(Vector[(2, R(i)), (4, q(R(i)))], i, 1, 5) → Quadqvlist
  8. Point(i) → K
  9. Vector(K, s_{inv}D) → w
  10. Vector(s_{inv}D, m_{invSinvD}) → z
  11. Vector(m_{invSinvD}, q_{inv+}) → d
  12. Vector(m_{invSinvD}, q_{inv-}) → f
  13. Vector(q_{inv+}, I) → h_1
  14. Vector(q_{inv-}, J) → j
  15. Sequence(Vector[(0, i), (2, m_1(i))], i, -2, 2) → Linmvlist
  16. Sequence(Vector[(2, m_1(i)), (4, s(m_1(i)))], i, -2, 2) → Linsvlist
  17. Textfield(h) → inputBox2
  18. Textfield(b) → inputBox3
  19. Textfield(m) → inputBox4
  20. Textfield(m_1) → inputBox5
  21. Textfield(s) → inputBox6
  22. Sequence(Vector[(0, i), (4, s(m_1(i)))], i, -2, 2) → Linfvlist
  23. Point(b_1) → A
  24. Vector(A, D) → g
  25. Vector(D, E) → k