十一芒星
出典: フリー百科事典『ウィキペディア(Wikipedia)』 (2024/06/27 00:40 UTC 版)
十一芒星(じゅういちぼうせい、英語:hendecagram, endecagram, endekagram、エンデカグラム)とは、幾何学において、11個の頂点を持つ星型多角形のことである。
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