Read Edit View history 十二角形 shí'èrjiǎoxíng dodecagon Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 十二角形 · shí'èrjiǎoxíng · dodecagon 2026/03/04 十二角形 shí'èrjiǎoxíng dodecagon dodecagon 正十二角形的每个内角都是150度。 created sense Mar 4, 2026, 02:25 AM