如图7,在四边形ABCD中,AD∥BC,要使四边形ABCD为平行四边形,则应添加的条件是__________(添加一个条件即可)。

作者: tihaiku 人气: - 评论: 0
问题 如图7,在四边形ABCD中,AD∥BC,要使四边形ABCD为平行四边形,则应添加的条件是__________(添加一个条件即可)。
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相关内容:如图,四边形,平行四边形,添加,条件

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