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1 . 如图,
的顶点是正方形网格的格点,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/11/ae32195b-b5a6-4aae-8022-5d96f8008fcc.png?resizew=153)
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2023-06-03更新
|
229次组卷
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11卷引用:山东省泰安市岱岳区2022-2023学年九年级上学期期末数学试题
山东省泰安市岱岳区2022-2023学年九年级上学期期末数学试题广东省东莞市东莞外国语学校2021-2022学年九年级上学期期末考试数学试卷2023年广东省惠州市一中教育集团中考二模数学试题2023年广东省梅州市大埔县古村中学中考一模数学试题2023年广东省梅州市大埔县玉瑚中学中考一模数学试题2023年广东省梅州市大埔县西河中学中考一模数学试题黑龙江省绥化市绥棱县克音河学校2022-2023学年九年级下学期第一次月考数学试题(五四学制)江苏省苏州市工业园区星澜学校2023-2024学年上学期九年级数学随堂练习(12月)山东省济南市济南高新区东城逸家初级中学2022-2023学年九年级上学期9月月考数学试题吉林省长春市二道区第五十二中学2022-2023学年九年级上学期10月月考数学试题湖南省岳阳市弘毅新化中学2022-2023学年九年级上学期第二次月考数学试题
2 . 如图,
的顶点分别在单位长度为1的正方形网格的格点上,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/14e02807-9eb1-422b-a86c-7ffcabd04575.png?resizew=125)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bfa1419145fb9c7249b3dc1819d3e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/14e02807-9eb1-422b-a86c-7ffcabd04575.png?resizew=125)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-05-06更新
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391次组卷
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6卷引用:山东省青岛市市南区2022-2023学年九年级上学期期末数学试题
山东省青岛市市南区2022-2023学年九年级上学期期末数学试题山东省青岛市第二十四中学等2校2022-2023学年九年级下学期开学考试数学试题(已下线)专题24.6 解直角三角形章末拔尖卷-2023-2024学年九年级数学上册举一反三系列(华东师大版)(已下线)专题23.4 解直角三角形章末拔尖卷-2023-2024学年九年级数学上册举一反三系列(沪科版)山东省青岛市胶州市第六中学2023-2024学年九年级数学上学期第二次月考试题山东省东营市广饶县2023-2024学年九年级上学期期末数学试题
3 . 如图,在
中,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd0c00f62c22e90e7d542a2f8dd83d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36a1938df65db2b68bf7595b97bafa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c23320f4049f59043dc8c255ae4f8c.png)
![](https://img.xkw.com/dksih/QBM/2023/4/25/3224356016889856/3224897011679232/STEM/6617ba811b0843b7a0c0b0096b91e9ab.png?resizew=117)
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4 . 若在平面直角坐标系
中,已知点
和点
,则
的值为_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a053d1d4c47de9beda8a47746dd64b6e.png)
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5 . 如图,点A,B,C在正方形网格的格点上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4581a3c0960f44f2fdafc789f3fea6db.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4581a3c0960f44f2fdafc789f3fea6db.png)
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2023-03-28更新
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107次组卷
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4卷引用:山西省忻州市代县等2地2022-2023学年九年级上学期期末数学试题
山西省忻州市代县等2地2022-2023学年九年级上学期期末数学试题(已下线)专题11 锐角三角函数及其运算(十种考法)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)山东省威海市乳山市(五四制)2023-2024学年九年级上学期期中数学试题2024年四川省自贡市富顺县代寺学区中考二模数学试题
6 . 已知一个三角形的三个内角的度数之比为
,则最小角的正弦值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d548966f7b124763228a1fd831e6dd61.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-03-16更新
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118次组卷
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2卷引用:山东省淄博市淄川区2022-2023学年九年级上学期期末数学试题
7 . 如图,
的直径
,弦
,连接
,以
为圆心,
长为半径画弧与
交于点
,连接
,
,
与
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/ca204e6f-702d-4cbf-a0d7-e69a0daa9db4.png?resizew=171)
(1)请直接写出图中与
相等的所有 角_______;
(2)求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/ca204e6f-702d-4cbf-a0d7-e69a0daa9db4.png?resizew=171)
(1)请直接写出图中与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
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8 . 如图,在正方形网格中,
的顶点均在格点上,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/7d25427e-42e3-4822-9290-a3d581a86938.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/7d25427e-42e3-4822-9290-a3d581a86938.png?resizew=192)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-03-13更新
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163次组卷
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2卷引用:湖北省随州市曾都区2022-2023学年九年级上学期期末学业质量监测数学试题
9 . 如图,在
的正方形网格中,每个小正方形的边长均为1,每个小正方形的顶点称为格点,
的顶点均在格点上,则
的值是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/12/d895ce6f-ac99-4125-9d01-79f1a04252d8.png?resizew=121)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb9d60d456560e9bac66c8b20c49bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2969793993b88539d516e06f77668d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/12/d895ce6f-ac99-4125-9d01-79f1a04252d8.png?resizew=121)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-03-09更新
|
462次组卷
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7卷引用:吉林省长春市宽城区2022-2023学年九年级上学期期末数学试题
10 . 如图,在
中,
.分别以点
和点
为圆心,大于
的长为半径作弧,两弧相交于
,
两点,作直线
.直线
与
相交于点
,连接
,若
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/13/f2108428-bc14-4cfe-a73b-98426d24ed41.png?resizew=154)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82da6815bc213dfd78c2f77cd7ded8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93148adbc6e856da9a9d263f485d003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb128c8247365e3d83d701c773b2a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e34f3fbb1adf23cf81d7005f4387a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a27b7799dd8c8f73c8a8322d367ef5b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/13/f2108428-bc14-4cfe-a73b-98426d24ed41.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
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