十边形
... decagon衷减波,减幅波 decagonal十边形,十角形 decahedral十边形的,十角形的 ...
十角形的
... decagon 十边形 十角形 decagonal 十角形的 decahedron 十面体 ...
衷减波
... 十进制单元 decagon 衷减波,减幅波 decagonal 十边形的,十角形的 decahedron ...
In geometry, a decagon is any polygon with ten sides and ten angles. A regular decagon has all sides of equal length and each internal angle equal to 144°. Its Schläfli symbol is {10}.
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