如图,
,
,
,
,
是
上的5等分点,连接
,
,
,
,
,得到一个五角星图形和五边形
.下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/10/19/2832558648754176/2832592257024000/STEM/8ccb98f5-9855-4bc9-97c7-19ce49e26570.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/c5db41a1f31d6baee7c69990811edb9f.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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ce09449a395d415ca485200bcb2463.png)
![](https://img.xkw.com/dksih/QBM/2021/10/19/2832558648754176/2832592257024000/STEM/8ccb98f5-9855-4bc9-97c7-19ce49e26570.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
2021九年级上·全国·专题练习 查看更多[1]
(已下线)【多选题】青岛版九年级上册
更新时间:2021-10-21 15:56:12
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相似题推荐
多选题
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适中
(0.65)
【推荐1】如图,己知在
中,
,点C,D,
点在同一条直线上,连接
,
.以下四个选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba609e8d47d6f4a51c454db50693192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db37b8da99a79e9a8101f9a7e50e7bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
A. ![]() | B.![]() |
C.若![]() ![]() | D.![]() |
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【推荐2】如图,点
为正方形
对角线
上一点,连接
,过点
作
,交
延长线于点
,以
为邻边作矩形
,连接
.下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f0805cc7a96c866df10b667ac4851e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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适中
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【推荐1】如图,在
和
中,
,
,
,
,
,
三点在同一条直线上,连接
,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/5c37b9ba-6420-4ed6-9522-5acdbc813d29.png?resizew=108)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](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/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/5c37b9ba-6420-4ed6-9522-5acdbc813d29.png?resizew=108)
A.![]() | B.![]() |
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真题
【推荐2】如图,
是
的直径,
为弦,过点
的切线与
延长线相交于点
,若
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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适中
(0.65)
【推荐1】若一个图形能完全覆盖住一个半径为1的圆形,则下列图形中满足条件的有( )
A.边长为![]() ![]() | B.边长为2的正方形 |
C.边长分别为![]() ![]() | D.边长为![]() |
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【推荐2】下列用尺规等分圆周的说法中,正确的是( )
A.在圆上依次截取等于半径的弦,就可以六等分圆 |
B.作相互垂直的两条直径,就可以四等分圆 |
C.按A的方法将圆六等分,六个等分点中三个不相邻的点三等分圆 |
D.按B的方法将圆四等分,再平分四条弧,就可以八等分圆周 |
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适中
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名校
【推荐1】如图,正方形
中,点F是
边上一点,连接
,以
为对角线作正方形
,边
与正方形
的对角线
相交于点H,连接
.以下说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/d50f3ca8-7937-4a0e-9135-458b3b107706.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](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/1e72b2e1ff83e95df048745322982451.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/d50f3ca8-7937-4a0e-9135-458b3b107706.png?resizew=147)
A.![]() | B.![]() | C. ![]() | D.![]() |
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【推荐2】如图,BC是⊙A的内接正十边形的一边,BD平分∠ABC交AC于点D,则下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/2021/10/14/2829266337628160/2832207647539200/STEM/8d4ac1e5-d22e-46a6-b54a-d99f24ae4d1e.png)
![](https://img.xkw.com/dksih/QBM/2021/10/14/2829266337628160/2832207647539200/STEM/8d4ac1e5-d22e-46a6-b54a-d99f24ae4d1e.png)
A.BC=BD=AD | B.BC2=DC·AC | C.AB=2AD | D.BC=![]() |
您最近一年使用:0次