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正三角形沿正方形旋轉
Author:
AlexWang
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
找出對稱軸
三位數除以一位數（一）
Discover Resources
畫三角形 題3d
sun1
transformation_rotation
橢圓包絡線1060406
閱讀量杯內的水位線
Discover Topics
Parametric Curves
Median Line
Equilateral Triangles
Unit Circle
Symmetry