菱形六十面體

Autore: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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近似值：有效數字
三位數除以一位數（二）
拼砌四邊形
第八周作业
Nested spiral octagon

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利用頂點描述二次函數
正三角形的旋轉
直線方程
曲線
test02

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Triangoli rettangoli
Equazioni lineari
Traslazione
Circocentro o circonferenza circoscritta
Algebra