1 . 如图,正方形
的边长是
,点
,
分别在
,
延长线上,且
,连接
,
交于点
,与边
,
分别交于点
,
,连接
、现给出以下结论:①
;②
;③
;④当
时,
.其中正确的______ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cdc346d78b31a196d99e910b39469e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128147bd4834566a78b4e9d2a3b2139c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48943db264c08adaf6ae0766fd56459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a45db9d2febc48ac747c244729e8927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a876984db6251af7f49b9b000bf75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7885632753de83b5ebbcd0e8d4a2c059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97996334c232cf2f620166fa6253b72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b62ab70dfa2d20423313b3b176e7a93.png)
您最近一年使用:0次
名校
2 . 如图,在
中,
,
平分
,E是
上一点,且
,连接
,过E作
,垂足为F,延长
交
于点G.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/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30e50e094cd2849e38859b36aad0b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c672f693a7e75a7bae4936dcb1920430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196ad60e8803f1c27fb8f1c584824ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df34369163e511f14028168cb0b21186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cb1c272f509989505bbd6f31b6556c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6618b4d41917e695da2356c016242ba4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/52868fe9-97e5-43c2-97dc-ed4bc0714e80.png?resizew=132)
您最近一年使用:0次
2023-07-20更新
|
278次组卷
|
9卷引用:福建省三明市2021-2022学年八年级下学期期末数学试题
福建省三明市2021-2022学年八年级下学期期末数学试题福建省三明市大田县2021-2022学年八年级下学期期末质量检测数学试题福建省宁德市博雅培文学校2022-2023学年八年级下学期期中数学试题(已下线)专题12.41 《全等三角形》全章复习与巩固(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)(已下线)12.3 角的平分线的性质(练习)-2022-2023学年八年级数学上册同步精品课堂(人教版)山东省德州市陵城区2022-2023学年八年级上学期期中数学试题山东省菏泽市鄄城县2022-2023学年八年级下学期期末数学试题江西省瑞金第一中学、丰城九中2022-2023学年七年级下学期期末联考数学试题湖北省十堰市2023-2024学年八年级上学期期末模拟数学试题
名校
3 . 如图,在
中,
,
于点
,
为
的中点,连接
、
,下列结论:①
;②
;③
;④
,其中正确结论有________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3ba8b214034c287276f4966069d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c897a54f2e36bc4b52fba74b41c89d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c98b148518587d61a2907cdfd6ee4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f586a2079d0e382ef843f4dbe068566e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffcdad73e2d420154a966b7597f0445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3792e90c45a0360603c506e7812a0f0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/22bf47fe-3aab-47b7-ab29-fd7f6b40b452.png?resizew=190)
您最近一年使用:0次
2023-02-06更新
|
250次组卷
|
5卷引用:福建省龙岩市第五中学2021-2022学年九年级下学期第一次月考数学试题
名校
4 . 如图,在矩形
中,
平分
,交
于点E,
,交
于点F,以
为边,作矩形
,
与
相交于点H.则下列结论:①
;②若
,则
;③
;④当F是
的中点时,
.其中正确的结论是____ .(填写所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fe2cc764de5fa58e9d90d750c5c528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3720c63f7e1f75c8f9f220aba02d0639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b1f13007c6d134c50004c62dc240707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2291de85a2a29ff360a4515cce99c804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d987d440e98d138bcaa287b20a555fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd30738c41a9b8a1f35daff1a1bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e009885fbf2cb3390fd3072f3b4db64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24dbc47503729886508f2a8f4f41aa35.png)
您最近一年使用:0次
2023-05-26更新
|
748次组卷
|
15卷引用: 福建省龙岩市上杭县第五中学2021-2022学年八年级下学期期末数学试卷
福建省龙岩市上杭县第五中学2021-2022学年八年级下学期期末数学试卷 2022年福建省泉州市丰泽区泉州实验中学中考模拟数学试题2024年福建省三明市三元区中考一模数学试题2022年广东省广州市花都区中考一模数学试题(已下线)题型一 与三角形、四边形、圆有关的计算(含图形变化)2022年广东省广州市花都区九年级中考数学三模试卷2022年广东省广州市南沙区九年级数学二模试卷(已下线)期末真题精选(压轴60题20个考点分类专练)广东省广州市广雅中学2022-2023学年九年级下学期开学考试数学试卷(已下线)专题12 平行四边形考前必刷真题精选【压轴题】-2022-2023学年八年级数学下学期期中期末考点大串讲(苏科版)黑龙江省大庆市肇源县向阳学校等三校联考2023-2024学年八年级上学期开学考试数学试题江苏省南通市海门区南通市海门区东洲国际学校2023-2024学年九年级上学期开学数学试题2024年江苏省南京市玄武区科利华中学中考模测数学模拟预测题(1)2023年山东省淄博市中考数学模拟预测题(已下线)安徽省八年级期末真题必刷压轴60题(41个考点专练)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(沪科版)
5 . 如图,直线
与双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86dbcb009fb9e25cc1d3f447c89fa482.png)
交于
、
两点,连接
、
,
轴于
,
轴于
,设
,
的解析式分别为
,
,现有以下结论:①
;②
;③若
,则
;④
有最小值.其中正确的是 _____ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318db708626c4e9d975e0c8c4e87acf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86dbcb009fb9e25cc1d3f447c89fa482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41075397f8e19313eaed03814276fa32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff86ca2de3dd3592e013ff0e43b472e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1447dbe580ac5c825776995118e75acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d4f20f4d98141613ff5dd7c37b55c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bda892497cea43df67db57b4e2a07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4784d5c6c99f2d18699f1ece85d70c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5784ea22dbd90af6cdceae43f80a22e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0121adef8281a61254804b7fba49c8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/12/ecd2c816-974e-4731-94ec-7c6dd014b013.png?resizew=184)
您最近一年使用:0次
2023-03-10更新
|
272次组卷
|
6卷引用:2021年福建省九年级下学期百校联考(诊断卷二)数学试题
2021年福建省九年级下学期百校联考(诊断卷二)数学试题(已下线)第11章 反比例函数(A卷·知识通关练) -【单元测试】2022-2023学年八年级数学下册分层训练AB卷(苏科版)(已下线)专题11.20 反比例函数和一次函数综合(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题11.28 反比例函数(最值问题)(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题6.28 反比例函数(最值问题)(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题6.20 反比例函数和一次函数综合(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)
6 . 如图,已知
中,
,D是
的中点,
于点E;连接
,则下列结论正确的是___________ .(写出所有正确结论的序号)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/b60c9775-1380-48a8-93dc-93a33ba7d65c.png?resizew=174)
①
; ②当E为
中点时,
﹔
③若
,则
; ④若
,则
面积的最大值为2.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4611ceb2a28f7a7e4d24266d7f99b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/b60c9775-1380-48a8-93dc-93a33ba7d65c.png?resizew=174)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b9ef25bfa729a423cde861fa12748d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20c1b7f55cd8e68a7c3aa58bc944c5.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844659a605e726781cb3cf3ee3f31156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79de67bad8473d74405f9200f0f7d7a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
您最近一年使用:0次
2022-08-05更新
|
475次组卷
|
6卷引用:福建省福州市福清市2021-2022学年八年级下学期期中数学试题
福建省福州市福清市2021-2022学年八年级下学期期中数学试题(已下线)第3章 勾股定理综合测试卷 -【帮课堂】2022-2023学年八年级数学上册同步精品讲义(苏科版)(已下线)第3章 勾股定理 单元综合检测(难点)-2022-2023学年八年级数学上册同步精品课堂(苏科版)(已下线)2022年江苏省南通启东市九年级中考二模数学试题变式题16-20(已下线)24.2+与圆有关的位置关系(题型精讲精练)3(原卷版)(已下线)24.2+与圆有关的位置关系(题型精讲精练)1(原卷版)
7 . 如图,四边形ABCD是正方形,点E,F分别在边BC,CD上,且CE=DF,DE,AF交于点G,AF的中点为点H,连接BG,DH.现有以下结论:
①AF⊥DE;②△ADG∽△DEC;③HD∥BG;④△ABG∽△DHF.
其中正确的结论有_____ .(填写所有正确结论的序号)
①AF⊥DE;②△ADG∽△DEC;③HD∥BG;④△ABG∽△DHF.
其中正确的结论有
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/4/46f8cded-4bd2-41c8-867d-4c021be080dd.png?resizew=137)
您最近一年使用:0次