六边形构造练习与反馈

六边形构造练习与反馈
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2015-07-23 00:07
①本范例演示了如何通过 GeoGebra 工具精确构造六边形;②涉及的核心数学概念包括几何作图、直线、圆、多边形等;③作图要点提炼自构造摘要,主要用到了 Line(直线)、Segment(线段)、Circle(圆)、Intersect(交点)、Polygon(多边形)等命令和对象;④适合高中阶段学生练习几何作图能力,也可用于教师教学演示。

GeoGebra 命令及参数

  1. Line(sdfdsf, afdfgfs) → a
  2. Line(sfdgsdfg, dfgsdfg) → b
  3. Segment(A, B) → c
  4. Circle(A, B) → circle1
  5. Circle(B, A) → circle2
  6. Intersect(circle1, circle2, 1) → C_1
  7. Circle(C_1, Segment[A, B]) → circle3
  8. Intersect(circle1, circle3, 1) → D_2
  9. Intersect(circle2, circle3, 2) → E_3
  10. Circle(D_2, Segment[A, B]) → circle4
  11. Circle(E_3, Segment[A, B]) → circle5
  12. Intersect(circle3, circle4, 2) → F_2
  13. Intersect(circle3, circle5, 1) → G_1
  14. Polygon(F_2, G_1, E_3, B, A, D_2) → zAnswer, f_2, g_2, e_2, b_2, a_2, d_2