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圆心角和圆周角
Author:
GeoGebra Institute of Beijing Normal University, China Network
移动点B,改变圆心角AOB的大小
移动点C,改变圆周角的位置
GeoGebra
观察,随着点B的移动,圆周角和圆心角有什么变化?
和角BAD有什么样的大小关系?
New Resources
找出對稱軸
三位數除以一位數(一)
球體建築師
異分母分數減法
兩位數加法
Discover Resources
angle between line and plane
時鐘
塗色03
勝者即正義
六年級 行程圖
Discover Topics
Vectors 3D (Three-Dimensional)
Circumcircle or Circumscribed Circle
Means
Solids or 3D Shapes
Similar Triangles