1 . 如图,在等腰
中,
,
的垂直平分线
交
于点D,交
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/74225e7b-f5a2-4704-b9e7-9f52139cfca1.png?resizew=128)
(1)求证:
是等腰三角形;
(2)若
的周长为26,求
的周长.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/74225e7b-f5a2-4704-b9e7-9f52139cfca1.png?resizew=128)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db51b276482d0d0f4ae1ea5e93351d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2卷引用:宁夏回族自治区吴忠市青铜峡市2023-2024学年八年级上学期期末数学试题
2 . 如图,已知点
、点
以及直线
.
上求作一点
,使
.(保留作图痕迹,不要求写出作法);
(2)在(1)中所作的图中,连接
,若
,过点
作
于点
,过点
作
于点
.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e4d19bf237a6fca67e0d01a9ddb726.png)
(2)在(1)中所作的图中,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82979b6a2057d80bacba4a28973bd508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b9bb0f509e6f3d30858efb217c1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c16349c17bf529270447505d729c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0201542f2ff9a4ac5b824010fdbb87b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ebc3f4a99aed54c21982621693dbee.png)
您最近一年使用:0次
名校
3 . 如图,在
中,根据尺规作图痕迹,下列说法不一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-12-07更新
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3卷引用:宁夏回族自治区吴忠市盐池县第五中学2023-2024学年八年级上学期期中数学试题
宁夏回族自治区吴忠市盐池县第五中学2023-2024学年八年级上学期期中数学试题湖南省衡阳市华新实验中学2023-2024学年八年级上学期月考数学试题(已下线)专题02 线段的垂直平分线与角平分线(五种考法)-【好题汇编】备战2023-2024学年八年级数学下学期期中真题分类汇编(北师大版)
名校
4 . 如图,在矩形
中,对角线
的垂直平分线
与
相交于点M,与
相交于点O,与
相交于点N,连接
.
是菱形;
(2)若
,求菱形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7decb1c197f855d08f2f9078b34d047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408e2d26c0c8a6594c4baba496a4651d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f6e65aef78954e9e66ccf9e57cf105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408e2d26c0c8a6594c4baba496a4651d.png)
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2023-11-22更新
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16卷引用:宁夏回族自治区银川市第三中学治平校区2023-2024学年九年级上学期期中数学试题
宁夏回族自治区银川市第三中学治平校区2023-2024学年九年级上学期期中数学试题云南省德宏傣族景颇族自治州2020-2021学年八年级下学期期末数学试题云南省玉溪市峨山彝族自治县2020-2021学年八年级下学期期末数学试题广东省揭阳市揭西县2021-2022学年九年级上学期期末数学试题河南省开封市金明中学2002-2022学年八年级下学期期中数学试题山西省大同市阳高县2021-2022学年八年级下学期期中数学试题广东省深圳市横岗中心学校、康艺学校2022-2023学年九年级上学期期末考试数学试卷江苏省扬州市高邮市部分学校联考2022-2023学年八年级下学期期中数学试题2023年云南省玉溪市峨山县中考三模数学试题广东省深圳市福田区红岭中学2022-2023学年九年级上学期开学考数学试题甘肃省秦安县兴国中学、秦安第五中学等三校2022-2023学年八年级下学期期末数学试题江苏省苏州市吴江区2023-2024学年八年级下学期期中数学试题江苏省苏州市2023-2024学年八年级下学期期中数学试题江苏省南京市联合体2023-2024学年八年级下学期期中考试数学试题内蒙古自治区巴彦淖尔市杭锦后旗2023-2024学年八年级下学期4月期中考试数学试题内蒙古自治区巴彦淖尔市杭锦后旗杭锦后旗第六中学2023-2024学年八年级下学期期中数学试题
5 . 如图所示,
是
的直径,
是
的弦,使
,连接
,作![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc0613441dac089635db3d6efd4aeb4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/968f4fd5-ed54-4e12-a6c0-47681bbb0aa6.png?resizew=130)
(1)求证:
;
(2)求证:
为
的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0145eeb463f49ec362d52ef68dab367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc0613441dac089635db3d6efd4aeb4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/968f4fd5-ed54-4e12-a6c0-47681bbb0aa6.png?resizew=130)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
2023-11-04更新
|
345次组卷
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2卷引用:宁夏吴忠市青铜峡市五中、铝业学校、峡口考试2023-2024学年九年级上学期12月月考数学试题
6 . 到三角形三个顶点的距离相等的点是三角形( )的交点
A.三个内角平分线 | B.三边垂直平分线 | C.三条中线 | D.三条高 |
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2023-11-03更新
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5卷引用:宁夏回族自治区银川市滨河新区景城第一中学2023-2024学年八年级下学期月考数学试题
7 . 如图,
中,
,
,
是腰
的垂直平分线,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad037d6d1bddf8930944fd93b5a551b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d5909f5be63fe405bd13729ae68b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e142544a6d4e6851096afbd3cbad2fe2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/31/eebb4534-4846-4bd9-b300-29619683c11f.png?resizew=100)
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3卷引用:宁夏回族自治区固原市西吉县西吉县第五中学2022-2023学年八年级上学期期中数学试题
名校
8 . 已知:如图,在
中,
的垂直平分线交
于点
,
的垂直平分线交
于点
.若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5733f1c470024d123d925beba29372eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-08-16更新
|
176次组卷
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3卷引用:宁夏回族自治区银川市第三中学、第十五中学、第十中学2023-2024学年八年级下学期期中联考数学试题
9 . 如图,在
中,
,斜边
的垂直平分线交
于点
,交
于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040de2371ee05481f747aed853353103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/318af46f5578618b1dd253eabc04586c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/1af1b352-6dc0-4488-92b2-794bea24028f.png?resizew=238)
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2023-08-15更新
|
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4卷引用:宁夏回族自治区吴忠市红寺堡区红寺堡区回民中学2018-2019学年八年级上学期期中数学试题
10 . 如图,在
中,
,
的垂直平分线交
于点E,交
于点D,
的周长等于12,则
的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e0c5cb53fd85b7a23f0580df6bb49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/4/4249170a-184d-41ff-ba39-16ed677a6d91.png?resizew=124)
A.5 | B.6 | C.7 | D.8 |
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2023-07-02更新
|
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3卷引用:宁夏回族自治区银川市兴庆区银川景博学校2022-2023学年七年级下学期期末数学试题