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菱形六十面體
Author:
Ho-Kai Chen
先畫正二十面體, 再由中心點向各面畫出菱形面 ---- In geometry, a rhombic hexecontahedron is a stellation of the rhombic triacontahedron. It is nonconvex with 60 golden rhombic faces with icosahedral symmetry.
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錐體建築師
第八周作业
兩位數除以一位數(二)
球體建築師
直角坐標平面上的旋轉變換
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幾何作業
利用Geogebra說明線性函數的圖形性質
同弓形內的圓周角
Conics
三角形的面積的副本
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Rotation
Sine
Parallelogram
Conic Sections
Parabola