正六边形割其外接六边形成12条线段。已知6条对应线段长度相等,能否证明该外接六边形也是正六边形? 知乎 Template




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tomski正六边形割其外接六边形成12条线段。已知6条对应线段长度相等,能否证明该外接六边形也是正六边形? 知乎 coloring