三边形 Traditional form: 三邊形 Pinyin (reading): sānbiānxíng Definitions: triangle Characters: 三 - three 边 - border, edge, margin, side 形 - form, shape; to appear; to describe; to look Traditional characters: 三 - three 邊 - border, edge, margin, side 形 - form, shape; to appear; to describe; to look