名校
1 . 如图,
为
的直径,
,
、
分别交
于点
、
,
于点
,
于点
,
,下列结论:
;
;
;
;
上述结论中正确的是______
填上所有正确结论的序号![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](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/047dc9795efa99b6fb9fdf9778085dab.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/3d97cdc586744d208b6f69c9813af977.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/8e99cd1610de98c8332da8c4520aad6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8136d1005cee4f37655508ecf0e856a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81e24376a13d648c2ed0dc73bc710e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af52cb73c4f24422ff5edeae792096e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167a994eda6e1db8bad43b91967e0386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef56afb914cc88d01c8d3b291b17e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b371a8f2d4951b451ca3ae5495d43afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad558cea7bfcb44118a409691902c990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a301324443eb93b467134a86890dd9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/21/1a9923b8-39ed-4637-aa78-25add6ca5231.png?resizew=137)
您最近一年使用:0次
2 . 如图,将
绕点
顺时针旋转
得到
,边
,
相交于点
,连接
.下列结论:①
;②
平分
;③
;④
.其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce74654b7088989396bb03fb619b0428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd94dd51562ecbee6edd4265326b765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5588b9238d940f09fd25191b930ce936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817ccf96200350828be4a7a503a5ad02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/3e787b10-14f4-45be-b889-77c046a064f7.png?resizew=229)
您最近一年使用:0次
2022-12-09更新
|
130次组卷
|
4卷引用: 福建省福州市长乐区2022-2023学年九年级上学期期中数学试卷
福建省福州市长乐区2022-2023学年九年级上学期期中数学试卷福建省福州市第十五中学2023-2024学年九年级上学期月考数学试题(已下线)专题23.13 旋转(全章分层练习)(提升练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)(已下线)专题3.6 图形的旋转(分层练习)(基础练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
3 . 已知:如图,
和
都是等边三角形,
是
延长线上一点,
与
相交于点
,
与
相交于点
,
与
相交于点
,连接
,
,则下列五个结论:
①
;
②
;
③
;
④
是等边三角形;
⑤
平分
.
其中,正确的是______ .(只填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169539e30546f4b7a649c7fe408f76a3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15b82151bff7cc0238d2034a6129f0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59c4a4eb0723665f8231dab51c1718e.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbf1667b21a273bf5dd007d65eeda7c.png)
其中,正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/6c13138f-fe71-496a-bed5-dd5a1edea679.png?resizew=148)
您最近一年使用:0次
4 . 三角形中,如果一个角是另一个角的3倍,这样的三角形我们称之为“灵动三角形”.例如,三个内角分别为120°、40°、20°的三角形是“灵动三角形”.如图,∠MON=60°,在射线OM上找一点A,过点A作AB⊥OM交ON于点B,以A为端点作射线AD,交线段OB于点C(我们规定0°<∠OAC<90°).下列结论正确的是_____ .(填入正确序号)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/c738ff5d-3222-497a-95ce-69eb9826728d.png?resizew=183)
①∠ABO的度数为30°;
②△AOB不是“灵动三角形”;
③若∠BAC=70°,则△AOC是“灵动三角形”;
④当△ABC为“灵动三角形”时,∠OAC为30°或52.5°或80°.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/15/c738ff5d-3222-497a-95ce-69eb9826728d.png?resizew=183)
①∠ABO的度数为30°;
②△AOB不是“灵动三角形”;
③若∠BAC=70°,则△AOC是“灵动三角形”;
④当△ABC为“灵动三角形”时,∠OAC为30°或52.5°或80°.
您最近一年使用:0次
名校
5 . 如图,点D是等边
边
上的一个动点,以
为边作等边
,连接
.则下列结论正确的是______ (填正确的序号).
①
;②D在
上运动的过程中线段
有最小值;③四边形
的面积是定值;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc59641467014c8be833e0781f04b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc1cbcd6d00f0c36bad8254297d9f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8196909b00ad21a6ac480fcbf1be1fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/ecee2adf-950a-46f8-8931-e0e20ac2ac8b.png?resizew=175)
您最近一年使用:0次
6 . 如图,点A、B、C在一条直线上,
和
均为正三角形,
分别与
交于点M、N,有如下结论:①
;②
;③
;④
;⑤
与
所夹锐角为60°.其中正确的有______________ (填上正确结论的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644f63756fe9251e65cc14e1ce9723d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6818a98204f62c1b16699d26ca0c3f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a15b8f09bf73e7d0d82d9af1a6f6dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1f908b267576344b0067285584762d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71c67dae7c83183ffbf215c58ed1def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5df3be4e18c4662478953781e1a6199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bec55dff70fe8916e7de30db9b3508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cbd27d06065f2ddd5cf5ccbe5bef48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/44e20656-d95c-46cc-b06b-88bc98ab8081.png?resizew=161)
您最近一年使用:0次
7 . 如图,△ABC和△DCE都是等边三角形,且点B、C、E在同一直线上,AE与BD、CD分别交于点F、H,AC与BD交于点G,连接CF、GH.则下列结论正确的是 _____ .(写出所有正确结论的序号)
①AE=BD;②GD=HE;③△CGH是等边三角形;④CF平分∠BFE;⑤BF=CF+AF.
①AE=BD;②GD=HE;③△CGH是等边三角形;④CF平分∠BFE;⑤BF=CF+AF.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/25/63aa8f25-7064-4a67-8320-dcba5a3e3d36.png?resizew=234)
您最近一年使用:0次
名校
8 . 如图,
,
的平分线交
于点
,
是
上的一点,
的平分线交
于点
,且
,下列结论:
①
平分
;
②
;
③与
互余的角有2个;
④若
,则
.
其中正确的是______________ .(请把正确结论的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d527b7de54224cc1698843a59a19a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752fa646a2d9cfca34001748445301c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a14654f44613e7dc85413f173e5cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d5ff57f147aa0628fdd47899b5a132.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af342d3b871ace448ccc7c648528288.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df5466383bedd9dd915a8788547d730.png)
③与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685516a27697104e83b311d76efa17aa.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd465973943bcd766b5275ee204bbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd38d3ae52434be8c63e1ad458b09d0.png)
其中正确的是
您最近一年使用:0次
2022-09-26更新
|
147次组卷
|
4卷引用: 山东省滨州市滨城区2021-2022学年七年级下学期期中考试数学试题
9 . 如图,在矩形ABCD中,
,
的平分线交BC于点E,
于点H,连接BH并延长交CD于点F,连接DE交BF于点O,下列结论:①
;②
;③
;④
;其中正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1d36437d9e50f560536853ecd636d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344067523ee04f5cc546978ca0116e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2226397b9bdbc77087433b05fb61209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3aa1da9eef031c9562154530cbafb33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63bd6879942ca6773046e8ce3ee30f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a317694e9df706c7d51d4b930f9a2a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/79dc483c-6029-4eaf-a279-41f6e4d29cbc.png?resizew=153)
您最近一年使用:0次
10 . 如图,AB
CD,将一副直角三角板作如下摆放,∠GEF=60°,∠MNP=45°.下列结论:①GE
MP;②∠EFN=135°;③∠BEF=75°;④∠AEG=∠PMN.其中正确的结论有_____ (写出所有正确结论的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/7f21b5b5-85cb-4604-87a1-fd3d3fe60810.png?resizew=130)
您最近一年使用:0次
2022-08-16更新
|
521次组卷
|
4卷引用:山东省临沂市临沭县2021-2022学年七年级下学期期中数学试题
山东省临沂市临沭县2021-2022学年七年级下学期期中数学试题(已下线)综合复习与测试(3)(第十一十二章)(培优篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(人教版)上海市民办尚德实验学校2022-2023学年七年级下学期期中数学试题河北省廊坊市固安县第五中学2023-2024学年八年级上学期第一次月考数学试题