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一个多边形的内角和是外角和的2倍,则这个多边形是(   )

A:四边形

B:五边形

C:六边形

D:八边形

上一题 下一题 0.0难度 选择题 更新时间:2019-12-20 07:06:34

答案(点此获取答案解析)

C

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