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切割圓面積的副本
Author:
邓老师
,
羅驥韡 (Pegasus Roe)
將圓切割後，重新排列成一個長方形。
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
直角坐標平面上的旋轉變換
找出對稱軸
sanjiaohanshu
Discover Resources
正多角柱(簡易)
四邊形四個九點圓共點
奈格爾點與葛爾崗點互為等距共軛點
勾股定理（几何原本）的副本
三角形三边关系探究习题
Discover Topics
Vectors 3D (Three-Dimensional)
Centroid or Barycenter
Intersection
Multiplication
Secant Line or Secant