如图,在平行四边形
中,
,
,按以下步骤作图:①以点A为圆心,适当的长为半径画弧,交
于点M,交
于点N;②分别以点M,N 为圆心,大于
的长为半径画弧,两弧在
的内部相交于点E,连接
并延长交线段
于点F,由作图的结果可得
的周长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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23-24八年级下·湖南长沙·期中 查看更多[2]
湖南省长沙市一中教育集团2023-2024学年八年级下学期期中数学试题(已下线)专题02 多边形与平行四边形的判定与性质(8大题型+优选提升题)-备战2023-2024学年八年级数学下学期期末真题分类汇编(湖南专用)
更新时间:2024-05-06 17:21:24
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【推荐1】.如图,在
中,
,
,现以点
为圆心,任意长为半径画弧分别交
,
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,
为圆心,大于
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【推荐1】如图,
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【推荐2】如图,在正方形ABCD中,点E在对角线BD上,且∠DAE=67.5°.若DE=1,则BD的长为_________ .
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【推荐2】已知
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