1 . 如图,O是直线
上一点,
平分
和
互余,则
的度数是_______ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf37671c7dd345bd1c8e09f1d8d8c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/66c23a07-bfb2-4f83-b734-68efb26cff62.png?resizew=163)
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名校
2 . 点
为直线
上一点,在直线
同侧任作射线
,
,使得
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/3f1f4938-d39a-47dc-86fd-b53b74e4f37b.png?resizew=569)
(1)如图一,过点
作射线
,使
为
的角平分线,若
时,则
=______°.
(2)如图二,过点
作射线
,当
恰好为
的角平分线时,另作射线
,使得
平分
.
①若
,求
的度数(写出推理过程).
②若
,则
的度数是______(直接填空).
(3)过点
作射线
,当
恰好为
的角平分线时,另作射线
,使得
平分
,当
时,则
的度数是______.(直接填空)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cc88685997c7586d1d4bf75a055433.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/3f1f4938-d39a-47dc-86fd-b53b74e4f37b.png?resizew=569)
(1)如图一,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd96e837869641596d8bf751504a6780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
(2)如图二,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618ede24ca37aa33a3789867be8f66b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae4ea4b8a766c86ed633c12ead002e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dcbf6a06139ea73a280e0a299fc87f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
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3 . 如图,
,点B,O,D在同一直线上,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60096d11a222426d712390d3aad75ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16929815f554fab5f6ba6605586b0424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/24afac69-9b05-4d75-930b-9801a99bb13c.png?resizew=109)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 如图所示,点
、
、
在同一条直线上,
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/a732e470-7c1a-4e86-b67b-a6a9302c385b.png?resizew=106)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cc88685997c7586d1d4bf75a055433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6225ba9fc9aabd7423e90e614a39c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/a732e470-7c1a-4e86-b67b-a6a9302c385b.png?resizew=106)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-28更新
|
64次组卷
|
2卷引用:重庆市开州区2023-2024学年七年级上学期期末数学试题
5 . 如图,已知不在同一条直线上的三点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/de884ec9-c54d-4b7c-9edc-16f20977ee92.png?resizew=112)
(1)按下列要求作图(用尺规作图,保留作图痕迹)
分别作线段
、射线
、直线
;
在线段
的延长线上作
;
(2)按(
)作图所示,若
比
大
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/de884ec9-c54d-4b7c-9edc-16f20977ee92.png?resizew=112)
(1)按下列要求作图(用尺规作图,保留作图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.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/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4558c9d6e035d99512fa6b1533f689c.png)
(2)按(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391479c151307826c9765a47a5f10503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
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6 . 将一副三角板按如图所示的方式摆放,其中
为含有
角的三角板,直线
是等腰直角三角板的对称轴,且斜边上的点D为另一块三角板
的直角顶点,
、
分别交
、
于点E、F.则下列四个结论:①
;②
;③
;④
.其中正确结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/602140a7-30f5-4b87-ba10-d357b5884c50.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193b5b41994c2a4dfa5bb0bc984061cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.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/79966a5e663b33b34b712f531e22dcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4198db5536e2a6f313ff949651ac1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c636e71bfc26ffed0ebf551d7abda757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7cb6c94762ad03b50138cf97c42837.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/602140a7-30f5-4b87-ba10-d357b5884c50.png?resizew=181)
A.①② | B.①②④ | C.①②③ | D.①②③④ |
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7 . 过直线
上的点O引如图所示的射线
、
、
、
,满足
,
,
平分
,
平分
.
(1)求
的大小;
(2)判断点C、O、E是否在同一直线上;
(3)在图②中,过点O作
,延长
至点H,说明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c042ff18466e8165fadf343d142a4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598c4ff9fc8518fa4829e39254d3f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c406c4f1880daebcccf913ba3f93512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4ab64df7a3c83e469893932ee4ff50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bfbaa5761f4fe757a979480081afa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7a3e520a16d4fdd73c4e6a4ce7be0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d6db29f4d58acd9110619eb856fa47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6967b121b644e03a7491faf685664b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/062726aa-44c3-4eed-9bf5-ec2ddaef980c.png?resizew=283)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cb611abd3d538ddede5929022161c5.png)
(2)判断点C、O、E是否在同一直线上;
(3)在图②中,过点O作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04a0cfd5e22775055641a3f2af8de22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6f92bb1a03aec522a1e456259ea56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0007c62db4c23789ef645df7f411ea.png)
您最近一年使用:0次
2024-01-24更新
|
64次组卷
|
3卷引用:重庆市忠县2023-2024学年七年级上学期期末数学试题
重庆市忠县2023-2024学年七年级上学期期末数学试题重庆市忠县2023-2024学年七年级上学期期末数学试题(已下线)专题2.3 两直线的位置关系(分层练习)(提升练)-2023-2024学年七年级数学下册基础知识专项突破讲与练(北师大版)
8 . 如图,一副三角板(直角顶点重合)摆放在桌面上,若,则
等于( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-23更新
|
93次组卷
|
2卷引用:重庆市巴南区重庆德普外国语学校2023-2024学年七年级上学期期末数学试题
9 . 如图,已知
,
平分
,
平分
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/4b4dc498-b8af-4690-a639-df2d3158e0a0.png?resizew=216)
(1)求
的度数;
(2)如果
,那么
是多少度?
(3)如果
,那么
是多少度?(用含
的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d3c378b1118d331d30b63fc587b270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/4b4dc498-b8af-4690-a639-df2d3158e0a0.png?resizew=216)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e356f6ee78681e976e92db48efa2e357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdb0cd26a76af66b0687fab8adc13ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efc7b22d85ff04a0ac89743f0bea1f2.png)
您最近一年使用:0次
名校
10 . 一个角的补角是这个角的3倍,则这个角的度数为______ .
您最近一年使用:0次
2024-01-23更新
|
274次组卷
|
14卷引用:重庆市沙坪坝区南开中学校2020-2021学年七年级下学期期中数学试题
重庆市沙坪坝区南开中学校2020-2021学年七年级下学期期中数学试题重庆市九龙坡区重庆实验外国语学校2023-2024学年七年级上学期期末数学试题北京市平谷区2016-2017学年度第二学期期末考试七年级数学试卷【校级联考】辽宁省抚顺市新宾县2017-2018学年七年级上期期末考试数学试卷【校级联考】辽宁省抚顺市抚顺县2017-2018学年七年级(上)期末数学试题【区级联考】浙江省杭州市西湖区2018-2019学年七年级上期末教学质量调研数学试题河北省承德市围场县2021-2022学年七年级上学期期末考试数学试题河北省承德市围场县2021-2022学年七年级上学期期末考试数学试题山东省淄博市周村区2021-2022学年六年级下学期期末数学试题北京市海淀区2022-2023学年七年级上学期期末数学试卷 辽宁省大连市甘井子区大连春田中学2022-2023学年七年级上学期期末数学试题河北省石家庄市第九中学2022-2023学年七年级上学期期末测试数学卷湖北省武汉市东湖高新区2023-2024学年七年级上学期期末数学试题湖北省武汉市东西湖区2023-2024学年七年级上学期期末数学试题