1 . 如图,已知
平分
平分
,点
在
上,连接
交
于点
,若
,以下四个结论:①
;②
;③
;④
.其中正确的结论有______ .(填写所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ced8bb07e711521f16a3822565904f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac37366d2b54dc7d9a95ac6ddda5f3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e56124fab9d737cc0db9e93d764156f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2e1083b773e16d1e385072652f7319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7056fcb286cf63337db258f56ccbc0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a87fcaa87e8bdaee1f969bda12e0576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbee1c7dcf103c037191cb087c0a606.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/bd3a36d8-4fd5-4ac4-8189-1be647d9ac04.png?resizew=220)
您最近一年使用:0次
23-24八年级上·全国·期末
2 . 如图,C为线段
上一动点(不与点A、B重合),在
的上方分别作
和
,且
交于点P.有下列结论:①
;②
;③当
时,
;④
平分
.其中正确的是 _________ .(把你认为正确结论的序号都填上)
![](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/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239972b70ceeaca75b1000d90bc04efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdadd6f7bf825732dd8833d5d194d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587c2a99a2e308529e6923c844aa68f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e4b16c2c6c9bd089da78122e9d2511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/593e3bd8-18a9-4f93-a0c3-ef158742a185.png?resizew=195)
您最近一年使用:0次
3 . 如图,在平行四边形
,
,F是
的中点,作
,垂足E在线段
上,连接
,则下列结论:①
;②
;③
;④
,一定成立的是______ .(把所有正确结论的序号都填在横线上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b929269c53a44907dba8ee298a0a522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f913298f0fae9f55377a8deab9f099dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6eab9a800ed1794b16f38ab3b1a285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79565204afa03faf95c0ab4357da11d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34323137ddb894a70d97511aa5fe6f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7473f383178461f47c812f381a41622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd557698d92a5298af2c86acc0b5d80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/832fd22a-515a-478e-82f8-ddcf2052a27c.png?resizew=212)
您最近一年使用:0次
4 . 如图,AD是
的平分线,
,过D点作
于点E,
交
于点F,则下列结论:①
②
③
④
, 其中正确结论的序号有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db0641078052bf1af17b4c5a01b9ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532aece6cfd67e2a97977eed978dbf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119a42b414029f423499017dc5c69240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d4cdb5c5967aeaadaa29e2de49a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f19797a50caf9c20c648a9357341f29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e6251ed291694af26ca0f5bed718b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/53665e38-56e5-4737-a0d4-fc71d0a5ea57.png?resizew=193)
A.①② | B.①②③ | C.②③④ | D.①②③④ |
您最近一年使用:0次
5 . 如图,直线
,点A在直线
上,以点A为圆心,适当长度为半径画弧,分别交直线
,
于B,C两点,以点C为圆心,
长为半径画弧,与前弧交于点D(不与点B重合),连接
,
,
,
,其中
交
于点E.若
,则下列结论正确的是_________ .(只填序号)
①
;②
;③
;④
;⑤若
,则
与
的周长差1.5.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520391e280b90fb2986b0d3534b4f9fa.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3104c05e255396a91038e2896aedf5cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff66a9adaacdaf0ada9fcf8e3876d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1d267eeb09c171c3e847f0597be31c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bb13740ac13266fe08f0f24948d5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/5ba81b2f-cc28-4e19-b749-681faf0a0d15.png?resizew=191)
您最近一年使用:0次
名校
6 . 如图,在
中,D是
的中点,
,
,延长
至点M,使得
,连接
并延长,交
的延长线于点N,现给出以下结论:
①
;
②
;
③
;
④
.
其中正确的是__ .(写出所有正确结论的序号)
![](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/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a26cd396cc0c512f544d37c00018749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/21/8e336c55-4c39-45dd-b1b9-135a45b2e67c.png?resizew=201)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594c95ec1d027b7fa228f341d0b253a3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa42f85c3ea78b90e43d548f89f0d200.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59d1481a14919877fe8a13507ec2428.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc35792d7e1ad4c8f670d975db45fe2e.png)
其中正确的是
您最近一年使用:0次
2023-07-16更新
|
347次组卷
|
6卷引用:专题13.3 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(华东师大版)
(已下线)专题13.3 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(华东师大版)(已下线)专题13.2 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(人教版)(已下线)专题2.2 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(苏科版)(已下线)专题2.2 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(浙教版)(已下线)专题15.2 等腰三角形的性质与判定【十大题型】-2023-2024学年八年级数学上册举一反三系列(沪科版)福建省漳州市芗城区漳州一中2022-2023学年七年级下学期期末数学试题
7 . 如图,在菱形
中,
,
,点
为对角线
上一动点(不与点
重合),且
,连接
交
延长线于点
.
①
:
②当
为直角三角时,
;
③当
为等腰三角形时,
或者
;
④连接
,当
时,
平分
.
以上结论正确的是________ .(填正确的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cbbc26a6f4e97047943f9acf03a26e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197afe2823d441bd68ed89a9d393fb29.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c11bca40fcddfc1afbd7c742ca0000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587547b09e85c4779ae0e341bce4c968.png)
④连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a702c324e0c76150540c3d32df802077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36719f1e764ee0e719b65c49fae84677.png)
以上结论正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/d7f13b16-0ef8-4fae-904d-d85cce5ebb75.png?resizew=172)
您最近一年使用:0次
8 . 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
|
132次组卷
|
4卷引用: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)
(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) 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)
名校
9 . 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
10 . 如图,
,点
在
上,连接
,下列结论:①
平分
;②
;③
,其中,所有正确结论的序号是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/fb949fb4-886f-4748-92af-c6340be2efef.png?resizew=252)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471be8c54214f0b750eb2ba59aa23d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e470b9b1ab6b8db7d19dc1e48ad6f09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb09222e9e65934334010e236187d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c923c4f2879e24da9148c9b8330e6cb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/fb949fb4-886f-4748-92af-c6340be2efef.png?resizew=252)
A.①② | B.②③ | C.①③ | D.①②③ |
您最近一年使用:0次