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全等角的构造

全等角的构造
几何画板及绘图内容加载中，请稍等……
2016-08-04 10:41
角变换几何作图
所属专题 Congruence (CO) Cluster Congruence (Vol 2) CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 Gail LeBlancCCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 CCSS High School: Geometry (Congruence) Volume 2 Constructions (Compass & Straightedge) Constructions (Compass & Straightedge) Constructions (Compass & Straightedge) Construction Basic Constructions
这个范例演示了如何通过旋转构造全等角。核心数学概念包括角的性质和几何作图。使用了GeoGebra中的Point, Rotate, Angle, Segment, Ray等命令。适合初中及以上学生学习几何作图和角的相关性质。

GeoGebra 命令及参数

  1. Point(xAxis) → A
  2. Rotate(B, α, A) → B'
  3. Angle(B, A, B') → β
  4. Segment(A, B) → f
  5. Ray(A, B') → g
  6. Ray(A, B') → h
  7. Ray(A, B) → i