如图,在等腰
中,
,
,
于
,点
是线段
上一点,点
是
延长线上一点,若
,则下列结论:①
;②
;③
是等边三角形;④
,其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/07f5a8e1-f307-4221-8d6a-78fa8bb89e6a.png?resizew=187)
![](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/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ccccc58e9149d75ba341f9f4b4d506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b543dd7b99c5361b78c874dd2a18d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cce190fb2e9724236a1c5c5d657722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee780a7d0e8811fb04d955304543fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5aa339496990f135b6c24f1fb3dc73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/07f5a8e1-f307-4221-8d6a-78fa8bb89e6a.png?resizew=187)
A.①②③④ | B.①②③ | C.①②④ | D.①③④ |
23-24八年级上·福建福州·阶段练习 查看更多[2]
更新时间:2024-01-15 20:02:33
|
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【推荐2】如图,
为
的直径,
为
延长线上的一点,
在
上(不与点
,点
重合),连结
交
于点
,且
,设
,
,下列说法正确的是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/5beee9da-b856-4a8f-a4ab-3b94696e59d9.png?resizew=175)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](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/e0629ce42392a7fe9be21d25c39c3e64.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,在等腰
中,
,
,按图下步骤作图:①分别以
为圆心,以大于
的长为半径作弧,两弧相交于两点
;②作直线
交
于点
,连接
.则下面说法错误的为( )
![](https://img.xkw.com/dksih/QBM/2020/7/2/2497043290292224/2497327257485312/STEM/23c44ea03f664dd2bbdcf5c0648902f5.png?resizew=190)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,点
在
内部,且
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在
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并延长交
于点
.以下结论:①
;②
;③
;④
.其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/afd1a371-cbba-49c7-9d8d-64d93375d163.png?resizew=152)
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【推荐2】如图,李明一家自驾到风景区C游玩,到达A地后,导航显示车辆应沿北偏西
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名校
【推荐2】下列命题中真命题的个数是( )
①关于某直线对称的两个三角形是全等三角形;
②形如
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④顶角和底角相等的等腰三角形是等边三角形.
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您最近一年使用:0次