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正七邊形
Author:
李春培
正七邊形
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
Nested spiral octagon
sanjiaohanshu
拼砌四邊形
Discover Resources
輪盤輪盤
物件顯示條件
圓錐的截面的副本
Copy of 劉徽的「割圓術」
heart
Discover Topics
Calculus
Vectors
Quadrilaterals
Sine
Terms