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正n边形内的旋转三角形
Author:
arist
GeoGebra
New Resources
中华人民共和国国旗
三角函数 的副本
盈利與虧蝕
科赫雪花
正方形雪花图案
Discover Resources
Area and Volume of a pentagonal prism(正五角棱柱的面積和體積)
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
Angle (Extended 2)
Copy of 劉徽的「割圓術」
正方形
Discover Topics
Square
Angles
Constructions
Surface
Geometric Transformations