1 . 如图所示,在
中,
,
为
的平分线,
,且
,若
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f400f7b824f3dad6e502b302578b72f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5d992ef98236bad9728cf0d23644a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/60e43307-d131-4e93-ba22-b78053800a09.png?resizew=137)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 下列说法中,错误的有( )个
①如果两个三角形全等,那么它们必是关于某条直线成轴对称的图形;②等边三角形是轴对称图形,它的三条高是它的对称轴;③等腰三角形的高、中线、角平分线互相重合;④三角形两边的垂直平分线的交点到三个顶点距离相等;⑤等腰三角形一腰上的高与底边的夹角等于顶角的一半;
①如果两个三角形全等,那么它们必是关于某条直线成轴对称的图形;②等边三角形是轴对称图形,它的三条高是它的对称轴;③等腰三角形的高、中线、角平分线互相重合;④三角形两边的垂直平分线的交点到三个顶点距离相等;⑤等腰三角形一腰上的高与底边的夹角等于顶角的一半;
A.1个 | B.2个 | C.3个 | D.4个 |
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3 . 如图,已知
是等边三角形,点
与
在同一平面内,连接
、
、
,若
、
、
都是等腰三角形,则满足条件的点
有________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac779b70bd71ae3a77721efb04c62b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/483075f7-d2da-4fd0-8da2-e92593c6273f.png?resizew=129)
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4 . 如图,
和
关于直线
对称,点
为直线
上一点,则下列说法中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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5 . 已知
,边
、
的垂直平分线交
分别为P、Q两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
______ 度.
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07089bc96bab85cf87f592fa0a7d3af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
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6 . 如图,在
中,
垂直平分
,
,
于点
,交
于点
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65071895649641ef06ff53fff2c75c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb79c82e2ecee4cce178f5e9d79d39e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/a955a2b5-5055-43d9-8dd5-ecb50dcb04cf.png?resizew=136)
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名校
7 . 如图,在
中,
,
垂直平分
,交
于点E.若
,
的周长为20,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/411461db15ee8086332c531e086c40c7.png)
![](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/beb6823a329628699619a39cde927510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73636989e83905f8800a865c2b608c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/809474c2-445f-4a1f-b494-7d64f157ae17.png?resizew=154)
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2023-11-17更新
|
28次组卷
|
6卷引用:黑龙江省绥化市海伦市第九中学2023-2024学年八年级上学期期中数学试题
黑龙江省绥化市海伦市第九中学2023-2024学年八年级上学期期中数学试题广西河池市宜州区2021-2022学年八年级上学期期中考试数学试题广西壮族自治区钦州市钦南区第四中学2022-2023学年八年级上学期11月月考数学试题(已下线)专题09 期中押题预测卷02-【好题汇编】备战2023-2024学年八年级数学上学期期中真题分类汇编(人教版)福建省莆田第二十五中学2023-2024学年八年级上学期月考(二)数学试题贵州省黔东南州剑河县第四中学2023-20224学年八年级上学期12月 月考 数学 试题
8 . 如图,
是等边三角形
的边
上的高,
,点M是边
上的动点,点E是边
的中点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b3800c5748c77368210bd43e5b8bcc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/5f19d002-542c-4f3f-94dc-f32600e12a2a.png?resizew=137)
您最近一年使用:0次
2023-11-15更新
|
82次组卷
|
2卷引用:黑龙江省佳木斯市富锦市实验中学2023-2024学年八年级上学期月考数学试题
名校
9 . 在
中,
的垂直平分线交
于点D,
的垂直平分线交
于点E,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
______ .
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9279c4c4d4b47190b1375cb310eb8700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6370d6c626bdabf1fc694501ee6c714f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
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10 . 下列说法中①与线段两端点距离相等的点在这条线段的垂直平分线上;②角平分线上的点到角两边的距离相等;③在三角形全等的判定中,至少要一条边对应相等才能判定两个三角形全等;其中正确说法的个数( )
A.1个 | B.2个 | C.3个 | D.0个 |
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