名校
1 . 如图,
的两条高
与
交于点O,
,
.
的长;
(2)F是射线
上一点,且
,动点P从点O出发,沿线段
以每秒1个单位长度的速度向终点B运动,同时动点Q从点A出发,沿射线
以每秒4个单位长度的速度运动,当点P到达点B时,P,Q两点同时停止运动,设运动时间为t秒,当
与
全等时,求t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
(2)F是射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7137d576c62c6f5997bec7b0e6f00312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9940546a60880ee79578696a108d0c.png)
您最近一年使用:0次
2024-04-23更新
|
392次组卷
|
11卷引用:湖南省长沙市望城区2023-2024学年八年级上学期期末数学试题
湖南省长沙市望城区2023-2024学年八年级上学期期末数学试题陕西省西安市新城区西安理工大学附属中学2022-2023学年七年级下学期期末数学试题(已下线)专题04 三角形(考点压轴 ,压轴必刷38题)-2023-2024学年七年级数学下学期期中考点大串讲(北师大版)上海市浦东新区上海浦东民办未来科技学校2023-2024学年七年级下学期期中数学试题陕西省西安市高新一中2023-2024学年七年级下学期第二次月考数学试题河北省沧州市泊头市2023-2024学年八年级上学期期中数学试题(已下线)专题7.4 期末复习之解答压轴题十三大题型总结-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16.4 期末复习之解答压轴题十三大题型总结-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6.4+01期末复习之解答压轴题十八大题型总结-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16.4 期末复习之解答压轴题十三大题型总结-2023-2024学年八年级数学上册举一反三系列(沪科版)(已下线)专题16.4 期末复习之解答压轴题十三大题型总结-2023-2024学年八年级数学上册举一反三系列(华东师大版)
2 . 如图,D是
的边
上一点,
,
交
于E点,
.
;
(2)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9f641563e8533a5bb39188aa7cc182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe6d389a6c448d92b79d89bc9e8489f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3971a9519246550390de4bd599617d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60572975f9ac06ffc8d98ef94de49eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2024-04-22更新
|
176次组卷
|
3卷引用:湖南省株洲市醴陵市渌江中学2023-2024学年八年级下学期期末数学试题
名校
3 . 如图①,在
中,延长AC到D,使
,E是AD上方一点,且
,连接
.
![](https://img.xkw.com/dksih/QBM/2024/3/11/3451245651001344/3452007717650432/STEM/aa37f2d50d0542f081b35083a0642798.png?resizew=554)
(1)求证:
是等腰三角形;
(2)如图①,若
,将
沿直线
翻折得到
,连接
和
,
与
交于F,若
,求证:F是
的中点;
(3)在如图②,若
,
,将
沿直线
翻折得到
,连接
交
于F,交
于G,若
,
,求线段
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4a2a127d89d50d3fde881a9b58ef0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1857fd0d79fb8cbb8045e949984104e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2024/3/11/3451245651001344/3452007717650432/STEM/aa37f2d50d0542f081b35083a0642798.png?resizew=554)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
(2)如图①,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d30252720ff0a2b1f105523e9aa3b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d2094777538ba6a70ea65d5061ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f0ae0d8e74c9ca1708ce83c36c94df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d2094777538ba6a70ea65d5061ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c077d15159e66b99475428c0076a872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d2094777538ba6a70ea65d5061ef7.png)
(3)在如图②,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d30252720ff0a2b1f105523e9aa3b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d2094777538ba6a70ea65d5061ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3d296e0d7154a170cb7d3ae42989b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a320a33ee2c9a87642264a06b47d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
您最近一年使用:0次
2024-04-08更新
|
181次组卷
|
3卷引用:湖南省张家界市慈利县2023-2024学年八年级上学期期末数学试题
湖南省张家界市慈利县2023-2024学年八年级上学期期末数学试题(已下线)特色题型专练10 三大运动-翻折-备战2024年中考数学考试易错题(江苏专用)四川省成都市武侯区成都市玉林中学2023-2024学年八年级下学期4月月考数学试题
4 . 如图,在
中,
,点
在边
上,
,若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/bebc1ce5-3492-45e5-a0a9-d698ff6c0b5f.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc2450dc300ce26b513c2abae28cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b9ba260b134e82d563aaf489b0c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/bebc1ce5-3492-45e5-a0a9-d698ff6c0b5f.png?resizew=166)
A.![]() | B.![]() | C.5 | D.![]() |
您最近一年使用:0次
5 .
中,
,
平分
,垂足为点E.连接
,交
于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/733ebf06-5bbe-4470-a56a-38cc49c807cb.png?resizew=169)
(1)证明
.
(2)求
的周长;
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f8145e5b12aa0b0b13ce4d64c619ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e10ac82b440348244d90dd8e4f057e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d344874d38b6e040ba90b5a56adc1a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/733ebf06-5bbe-4470-a56a-38cc49c807cb.png?resizew=169)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a598a35e6a4bfb3a5f08b55b70bdc3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
您最近一年使用:0次
6 . 如图,在等边
中,点M为
上任意一点,延长
至点N,使
,连接
交
于点P.
(1)求证:
;
(2)作
于点H,设
,请用含
的式子表示
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/049ba02a6816033ade98e679a59a3b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/452f4f47-0b0f-4381-a7b3-6bd7a87ed0f0.png?resizew=162)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a05d58fd4527873e6edfb7789afe0.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdbfce828a756340ddda2a534347829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42e97eee705d164e6ac6de9ecd6d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
您最近一年使用:0次
7 . 如图,在平行四边形
中,点E在
边上,且
,F为线段
上一点,且
.
;
(2)求证:
;
(3)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b34233772c4c26d6669499d9b1f15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4908c742e58c66ed0feb53a29b0dc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5395cf3035dcb90a37ff964dfde9b847.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891edc84cb2b12a0d730c07c2b2c1f9c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284e282bb1d9fbf8634b3506ee5358ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eee462ac8bfd858845cccd21ab3c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
2024-02-21更新
|
345次组卷
|
5卷引用:湖南省长沙市华益中学2023-2024学年八年级上学期期末数学试题
湖南省长沙市华益中学2023-2024学年八年级上学期期末数学试题浙江省杭州市华东师范大学附属杭州学校2023-2024学年八年级下学期4月月考数学试题(已下线)第四章 平行四边形能力提升测试卷-2023-2024学年八年级数学下册《知识解读·题型专练》(浙教版)(已下线)第六章第01讲 平行四边形的性质(9类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)(已下线)专题03 平行四边形的性质和判定期末真题汇编【八大题型+优选提升题】-备战2023-2024学年八年级数学下学期期末真题分类汇编(人教版)
名校
8 . 如图,在等腰
中,
,
,F为
上一点,
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/7256aa40-34b9-4866-a95d-e847754a8237.png?resizew=345)
(1)如图1,若
,求
的度数.
(2)如图2,过A作
于点D,求证:
.
(3)若
,
,
,求
的值.
![](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/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8290323a3da9d76a509ba5d14daabe97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/7256aa40-34b9-4866-a95d-e847754a8237.png?resizew=345)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa3115a985b37d25d325836409c7766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd94dd51562ecbee6edd4265326b765.png)
(2)如图2,过A作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e521605c1066839c8cf71f0941b36d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57c76abca2467af86f45da0fec08cb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e14c1b227d8e3ac4c7abab111623ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faffe3765c15f53305516895aa595a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495be6a6b940e8affe38f2bcdee246b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2114951d9e7e145abf1b89eaeb39d6.png)
您最近一年使用:0次
9 . 如图,
是
的中线,过点
作
的平行线,交
的延长线于点
,则下列结论不一定成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/46e4d0f9-2ecd-42fb-afb7-d2aa8abbdbbe.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/46e4d0f9-2ecd-42fb-afb7-d2aa8abbdbbe.png?resizew=140)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd85cff10e8f192cfe0b0a8b2f4996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c220eadc312101e2fb89dfe920f7b30d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/7/02b35535-c42a-4c12-b2f3-cf5cf9470111.png?resizew=198)
您最近一年使用:0次