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1 . 如图,曲线
是双曲线
绕原点
逆时针旋转
得到的图形,
是曲线
上任意一点,点
在直线
上,且
,则
的面积等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8607841965f95e3ade7ae8cf31e48648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c037b199f33cbed1efcffdd2376d8c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7564a52a3246c8581128706a34dfdaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e534b545e86c02abd2a0dc75d32b407.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/c8e7a115-189b-49c5-b72e-1a89dd3bd70a.png?resizew=156)
A.![]() | B.6 | C.3 | D.12 |
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2 . 如图,点
在正方形
的对角线
上,
于点
,连接
并延长,交边
于点
,交边
的延长线于点
.若
,
,则
( )
![](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/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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc39144b305c67d44410d41053a1d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704d2e96b81c8348d005447935318deb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f67a12f99d4b6f7e3ab23853113dd2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/a0213eeb-ec32-4758-b855-80e41150f9a7.png?resizew=170)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 一个凸多边形的最小内角为
,其他内角依次增加
,则
的值等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67574d7f0bcea29fdbf6efbc68f282ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb0aa8a61380228e285f3b5c7b74c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.6或12 | B.6 | C.8 | D.12 |
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4 . 已知
且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13de46774bcb263f4e710daab0f51832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ea023914aff91c28a62cf70ba1b8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87978155bd5ef5399b061905545bf266.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图,用一段长为
米的篱笆围成一个一边靠墙的矩形菜园,已知墙长80米,则菜园面积的最大值为( )平方米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd121f4aeca8a78a320fca1fd1c4d07.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/991eafa2-5dd8-4226-92bf-330ed9e444be.png?resizew=164)
A.1800 | B.1750 | C.1700 | D.1600 |
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6 . 在
中,
,分别过点
作
平分线的垂线,垂足分别为点
,
的中点是
,连接
,则下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8459555817b3d8174c18e37a16f17878.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 使分式
的值为零的
的一个值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e453b4d996bdf8662abcb3ca4a329e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.0 | B.1 | C.![]() | D.![]() |
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8 . 在分式方程
中,设
,可得到关于y的整式方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383a1dd6238d3b90f4b67450ac860790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30629fde32d1bcaad9920d8214e5a6d7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 如图,将一个含有
角的直角三角板的两个顶点放在长方形直尺的一组对边上,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6310f58b5fe924a2bab347811c9a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c124b391655743ad815489a335a87f21.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/6b2f65b8-c245-48f8-b226-f6fa4730b975.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 下列运算正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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