如图:已知
,猜想
与
的位置关系,并写出合适的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2f858ce9f56c8464b5bcbf7b4b2cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
15-16七年级下·江苏·阶段练习 查看更多[13]
2015-2016学年江苏省宜城环科园教学联盟七年级下第一次月考数学卷2015-2016学年江苏苏州高新区七年级下期中考试数学试卷2016-2017学年江苏省兴化市海河学校七年级下学期第一次课堂调研数学试卷【全国市级联考】江苏省新沂市2017~2018学年度第二学期期中考试 七年级数学试题2019年春人教版七年级数学下册《平面图形认识二》单元测试江苏省南京市秦淮外国语学校2019-2020学年七年级下学期期中 数学试题江苏省沭阳县修远中学2019-2020学年七年级下学期第二次月考数学试题四川省简阳市镇金学区2019-2020学年七年级下学期期中数学试题江苏省苏州市高新区2019-2020学年七年级(下)期中考试数学试卷四川省泸州市泸县泸县第四中学2022-2023学年七年级下学期期中数学试题河南省焦作市山阳区第十七中学2022-2023学年七年级下学期期中数学试题四川省达州市万源市草坝中学2022-2023学年七年级下学期3月月考数学试题四川省达州市渠县文崇中学2022-2023学年七年级下学期第一次月考数学测试题
更新时间:2018-08-28 13:51:02
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【知识点】 根据平行线判定与性质证明
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】(1)如图1,将一长方形纸片
沿着
、
折叠(点
在线段
上,点
在线段
上),且
,折痕
与
平行吗?请说明理由.
![](https://img.xkw.com/dksih/QBM/2021/5/8/2716531430711296/2768467400630272/STEM/aec97877-ca7b-4963-afd1-f3d7d5ed52ef.png?resizew=569)
(2)如图2,将一长方形纸片
沿着
、
折叠(点
、
在线段
上),设
,
,当
与
平行时,
与
有什么数量关系?请说明理由.
(3)如图3,将一长方形纸片
沿着
折叠(点
在线段
上),不借助其他工具,请设计一个折纸方案,折叠纸片,使得边
与
平行.请在图3中画出折叠后的示意图,并简述你的折纸方案.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c550750e64cf6d4e68448d84bc66072a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://img.xkw.com/dksih/QBM/2021/5/8/2716531430711296/2768467400630272/STEM/aec97877-ca7b-4963-afd1-f3d7d5ed52ef.png?resizew=569)
(2)如图2,将一长方形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3160d33de228937b8a691519fced22e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8da4177449887fa1e3c98fe81570b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eba8ef753df3569875282d12342c149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ba89e83329983cfadbfcdda151aaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(3)如图3,将一长方形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eba8ef753df3569875282d12342c149.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】已知:如图,在
中,
于点
,过
点作
,垂足为
,过点
作
交
于点
.
(1)请你补全图形;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70734a8e672376bb0bd1522e229f86a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de4a54cc7818be87a239f6de5f5d05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e888cd497400ffb090f6305e8e7d7dd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/14/240cb148-fac0-4d36-b8d3-45334c7f17f4.png?resizew=158)
(1)请你补全图形;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bc1871b9c6c502d852543028eb52ff.png)
您最近一年使用:0次