将一张长方形纸片按如下步骤折叠:(1)如图①,将纸片对折,点C落在点B处,得到折痕AP后展开纸片;(2)如图②,将∠BPA对折,点B落在折痕AP上的点B'处,得到折痕PM;(3)如图③,将∠CPM对折,点C落在折痕PM上的点C'处,得到折痕PN,则∠MPN=_____ °.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/2562d675-49b2-4b61-8630-01b4ea322a81.png?resizew=381)
21-22七年级上·湖北武汉·期末 查看更多[7]
湖北省武汉市江汉区2021-2022学年七年级上学期期末数学试题(已下线)专题13.21 轴对称与折叠问题(基础篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(人教版)江苏省盐城市东台市第二教育联盟2022-2023学年八年级上学期10月月考数学试题吉林省长春市朝阳区第二实验学校2022-2023学年七年级上学期期末数学试题福建省福州市福清市2022-2023学年七年级上学期校内期末质量检测数学试题十二 轴对称云南省曲靖市罗平县罗平平高学校2023-2024学年七年级上学期月考试卷(四)数学试题
更新时间:2022-04-03 22:29:50
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【推荐1】如图,某海域有三个小岛
,
,
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【推荐1】如图1,将长方形纸片
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/8/c59e4f40-207b-47d8-874a-a3291995fea2.png?resizew=298)
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______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5324ce5fd43c5b05e8fad764880f7b3.png)
______ ;
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______ .
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(1)若
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【推荐2】在梯形ABCD中,AD∥BC,AB=DC=3,沿对角线BD翻折梯形ABCD,若点A恰好落在下底BC的中点E处,则该梯形的面积为_______ .
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