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How to draw a decagon with ruler and compasses?
Author:
Pythoner
GeoGebra
New Resources
找出對稱軸
畫出對稱圖形
柱體建築師
錐體建築師
画直线等分三角形的面积
Discover Resources
直線交點
正四角柱(可旋轉)
量度身高
阿波羅尼斯圓 的複本
畫三角形 題1d 的複本
Discover Topics
Area
Constructions
Conditional Probability
Isosceles Triangles
Angles