1 . 如图,
是锐角三角形.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/0c328f16-7e34-4b6a-b469-f75dd2804afa.png?resizew=139)
(1)作
的中线
(要求:尺规作图并保留作图痕迹,不写作法,标明字母)
(2)在所作的图中,若
,则
与
的周长差是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/0c328f16-7e34-4b6a-b469-f75dd2804afa.png?resizew=139)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)在所作的图中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef1f447d17dc34924f0224d00dadaaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
您最近一年使用:0次
2 . 如图所示,在
中,
,
平分
交
于点
,
,
,垂足分别是点
、
,则下列四个结论:
①
上任意一点到点
的距离与到点
的距离相等;
②
上任意一点到
的距离与到
的距离相等;
③
,
;
④
.
其中,正确的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532aece6cfd67e2a97977eed978dbf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e543967ad7bd02e3bd7196c19d46f1d5.png)
其中,正确的序号是
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/16/e57c8f0f-e119-4723-ba6c-c24ef6d4147f.png?resizew=115)
您最近一年使用:0次
3 . 如图,在
中,
,
是
的中点,
垂直平分
,交
于点
,交
于点
,
是直线
上的动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/4643d0fa-0d8b-4e86-8538-ccb604e0f931.png?resizew=105)
(1)当
时,
①若
,则点
到
的距离为________;
②若
,
,求
的周长;
(2)若
,且
的面积为40,求
周长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/4643d0fa-0d8b-4e86-8538-ccb604e0f931.png?resizew=105)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4d54b7ff95f2bb56fc6f7979fae83f.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3f720e3ca8647615294516e4e0b33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9666c4d3a55bd60ccf1f7632ab279e15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955e5cc9f108de6f3ca01e5eb84c52e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e59b7c0d4a0b312e674b7bb061240b.png)
您最近一年使用:0次
2023-12-11更新
|
144次组卷
|
10卷引用:山西省朔州市部分学校2023-2024学年八年级上学期第二次月考数学试题
山西省朔州市部分学校2023-2024学年八年级上学期第二次月考数学试题山西省朔州市怀仁市第九中学校2023-2024学年八年级上学期月考数学试题吉林省2023-2024学年八年级上学期期中数学试题河北省石家庄市平山县2021-2022学年八年级上学期期末数学试题河北省沧州市黄骅市2021-2022学年八年级上学期期末数学试题(已下线)专题13.14 等边三角形(巩固篇)(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)河北省沧州市黄骅市第二中学2021-2022学年八年级上学期期末数学试题(已下线)专题2.9 等边三角形及其性质与判定(巩固篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(浙教版)吉林省白城市洮北区第三中学2022-2023学年八年级上学期期中数学试题吉林省松原市宁江区2023-2024学年八年级上学期期中数学试题
4 . 如图,矩形
中,对角线
的垂直平分线
分别交
,
于点
,
,若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/620fd368efb51a5ae90c0f3e276704d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb79c82e2ecee4cce178f5e9d79d39e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/79e62a0a-eae2-4742-b1e3-69cc18d5806d.png?resizew=162)
您最近一年使用:0次
5 . 如图,在
中,
平分
,交
边于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/b2734374-df39-4d95-ba52-05bfb922e601.png?resizew=159)
(1)尺规作图:作
边的垂直平分线,分别交
,
边于点
,
;(要求:不写作法,保留作图痕迹,标明字母)
(2)连接
,若
,
,则
的度数为_______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/b2734374-df39-4d95-ba52-05bfb922e601.png?resizew=159)
(1)尺规作图:作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ca59f4f7c6cbb4f766b7f355f384fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
您最近一年使用:0次
6 . 数学课上,老师提出下列问题:如图,在
中,
是锐角,
于点D,且
,
,
,求
的长.小亮积极思考后向同学们展示了自己的解题过程,过程如下:
证明:如图1,在线段
上取一点E,使
,连接
.
,
,
垂直平分
,
,(依据1)
.(依据2)
,
.
又
,
,
,
,(依据3)
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/89f6068a-78c8-488d-a37a-e192ff4d5f3b.png?resizew=492)
(1)上述解题过程中的“依据1”,“依据2”,“依据3”分别指的是什么?依据1: .依据2: .依据3: .
(2)看完小亮的解题过程,小创提出了自己的想法:证明:如图2,延长
到点E,使
,连接
.……请根据小亮的思路写出完整的解题步骤.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dc4d22c2c289f6d4494b9c2be84407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757185f4ef76c7af657c842bf7807282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
证明:如图1,在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262a173a7cf68e06b4be175df69e2b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6900a9b502cca3b557061498b38bb539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262a173a7cf68e06b4be175df69e2b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e24c2bdad41127f07c6639a357d2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8cf51d8ce4ad7e0e7355b6a1ff970fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75ec19084825b3aa9af41f988e333c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22242f3b6ac25fbb0b1acf967ee915c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db4009115551ce58efbd1cd0713fa90.png)
又
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a8c65163abffca45097a2b8af82a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a372caf3f7f450b90a5b08fae526b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109ccad91d721ffb9278e8e42a9837b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a5e428dafbc9f78f5468bf5e26ac3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9035f2dc50fa8b6e4d0cd8ebbfb120ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce226a0f5d65d06cb9c719d4f8fbeb0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/89f6068a-78c8-488d-a37a-e192ff4d5f3b.png?resizew=492)
(1)上述解题过程中的“依据1”,“依据2”,“依据3”分别指的是什么?依据1: .依据2: .依据3: .
(2)看完小亮的解题过程,小创提出了自己的想法:证明:如图2,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e92f48e9bfe12d145f7d2a2f0360d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
7 . 如图,正方形
内接于
,E是
的中点,连接
.
(1)求∠E的度数.
(2)求证:
.
(3)若
,则点E到
的距离为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f9353ca110c8b81561455b232dbc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b3e9a99b5b8258baab51f66d1a48ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/2ceb8f39-b8b1-4391-ab14-32a0e5777e8e.jpg?resizew=108)
(1)求∠E的度数.
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a702c324e0c76150540c3d32df802077.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
8 . 如图,在
中:
(1)作
的平分线交
于D,作线段
的垂直平分线
分别交
于E,
于F,垂足为点O.(尺规作图,保留作图痕迹,不写作法)
(2)在(1)的条件下,连接
,判断
与边
的位置关系,并说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/4e456ed0-bd48-481b-9275-f712766ec049.png?resizew=144)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在(1)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-12-07更新
|
83次组卷
|
11卷引用:山西省朔州市怀仁市第十一中学2023-2024学年八年级上学期期中数学试题
山西省朔州市怀仁市第十一中学2023-2024学年八年级上学期期中数学试题山西省忻州市宁武县2022-2023学年八年级上学期期中考试数学试题(已下线)专题5.9 简单的轴对称图形(线段的垂直平分线)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(北师大版)(已下线)专题5.18 生活中的轴对称(全章复习与巩固)(知识讲解)-2022-2023学年七年级数学下册基础知识专项讲练(北师大版)广东省河源市和平县2022-2023学年七年级下学期期末数学试题山西省阳泉市平定县平定县2022-2023学年八年级上学期11月期中数学试题江苏省盐城市大丰区2023-2024学年九年级上学期期中数学试题广西壮族自治区北海市银海区2023-2024学年八年级上学期期中数学试题河南省郑州四中2022-2023学年七年级下学期第三次月考数学试题河南省平顶山市汝州市2018-2019学年七年级下学期期末数学试题河南省郑州市中原区2021-2022学年七年级下学期期末考试数学试题
9 . 如图,
中,
,
,分别以
为圆心,大于
的长为半径画弧,两弧交于点
,直线
分别交
于点
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6476489e36d066b18cb711c3abed9.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284a563413dc0532138fb2a64db8cc2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80982c92734079de9d62bcf9511f1889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93148adbc6e856da9a9d263f485d003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98842968c75427c940b34de391a3a778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c6e7c025362c46a64a8956761f08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2b8ba4551feee62d4e3d55d1486ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622dce769d5007b248350eb92a03e616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6476489e36d066b18cb711c3abed9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/779da69f-bf06-47e3-838f-e414673ab9cf.png?resizew=163)
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2023-12-03更新
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41次组卷
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2卷引用:山西省孝义市2023-2024学年八年级上学期期中数学试题
10 . 如图,在
中,
,
,
是
边上一点,且
,
是线段
上的一个动点,把
沿
折叠,点
的对应点为点
.若点
刚好落在线段
的垂直平分线上时,则线段
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e713f0ba80e87438cf6273fb00cb81a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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