筝形的性质 by Math Teachers' Adventure of ICT Integration

筝形的性质 by Math Teachers' Adventure of ICT Integration
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2017-10-03 20:50
本范例演示筝形的性质。涉及的核心数学概念包括筝形的对角线性质、对称性等。通过使用GeoGebra命令如Line, Point, Segment, Circle, Intersect等,可以构造筝形并观察其性质。适合初中及以上学生或教师教学使用。

GeoGebra 命令及参数

  1. Line(B_1, C_1) → c
  2. Line(D_1, E) → d
  3. Point(c) → F
  4. Point(c) → G
  5. Segment(F, G) → e_1
  6. Point(e_1) → B
  7. Point(d) → I
  8. Point(d) → J
  9. Segment(I, J) → f_1
  10. Point(f_1) → C
  11. Circle(B, C) → g
  12. Segment(C, B) → h
  13. Point(c) → L
  14. Point(c) → M
  15. Segment(L, M) → i
  16. Point(i) → D
  17. Circle(D, C) → k
  18. Intersect(k, g) → O, A, ,
  19. Segment(C, D) → j
  20. Segment(D, A) → l
  21. Segment(B, A) → m
  22. Segment(D, B) → f
  23. Segment(C, A) → e
  24. Polygon(A, D, C, B) → poly1, p, n, k_1, h_1
  25. Point(e) → K
  26. CircleArc(A_1, H, K) → q
  27. Corner(5) → N