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Gazing Cow Problem (b)
Author:
Roger Lui
GeoGebra
New Resources
找出對稱軸
四邊形的特性
sanjiaohanshu
兩組對邊相等和有直角的四邊形
拼砌四邊形
Discover Resources
正十二面體
圓 點 直線
Square
橢圓的定義（by Jutor）
Similar triangles inscribed iteration400
Discover Topics
Trigonometric Functions
Translation
Special Points
Reflection
Conic Sections