名校
1 . 如下图,直线
,直线
,
与这三条平行线分别交于点
,
,
和点
,
,
.若
,
,则
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382f197c0ef2f02eaa0d0fe4f1089c50.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefc0e5e706b12642c3b90b0f541e33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6370d6c626bdabf1fc694501ee6c714f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/786502d2-3610-442c-bacb-c7d528cf63a5.jpg?resizew=133)
您最近一年使用:0次
名校
2 . 如图,
的顶点是方格纸中的三个格点,请按要求完成下列作图:①仅用无刻度直尺,且不能用直尺中的直角;②保留作图痕迹.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/659059c6-c6d7-49cc-9c25-66c84978a4ad.png?resizew=124)
(1)在图1中画出
边上的点
,使得
;
(2)在图2中画出
的重心
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/659059c6-c6d7-49cc-9c25-66c84978a4ad.png?resizew=124)
(1)在图1中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3ba8b214034c287276f4966069d95e.png)
(2)在图2中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
您最近一年使用:0次
2023-12-15更新
|
152次组卷
|
3卷引用:浙江省温州市温州龙湾、瑞安 32023-2024学年九年级上学期12月月考数学试题
3 . 如图,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/751e3bb2-9297-45e3-89c3-464ed35a822c.png?resizew=141)
(1)若
,
,求
的长;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c75d8581bb7b2a91795852acdc07d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3395d137abd71668a677b94e9932b5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/751e3bb2-9297-45e3-89c3-464ed35a822c.png?resizew=141)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8832c5450a61500ccbf73d95e16f449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0169298da097bf57ce273ed89141f916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
您最近一年使用:0次
4 . 如图,在
中,
,
,
,
是边
的中点,点
位于边
上,连接
并延长交
的延长线于点
,过点
作
,垂足为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/8bae496d-9c54-468e-b70d-ddd400fb5f46.png?resizew=197)
(1)当
时,求
的值;
(2)当
时,求证:
;
(3)作射线
,使其平行于
,且在
的右侧.试问:在射线
上是否存在点
,使得
?如果存在,请求出
的长;如果不存在,请说明理由.
![](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/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/8bae496d-9c54-468e-b70d-ddd400fb5f46.png?resizew=197)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e2dafd095e5cca4b4e5190552e1b81.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bb8ab7c2b4e68bae55828bcf240d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77fbbc9863a0979b0f6381d01695186.png)
(3)作射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.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/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a9fe40f859b37d2bed55c3d312e172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
您最近一年使用:0次
5 . 如图,在
中,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc5f88cdeb759d8227205d124262586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
A.4 | B.5 | C.6 | D.7 |
您最近一年使用:0次
2023-12-11更新
|
310次组卷
|
9卷引用:广东省佛山市禅城区2023-2024学年九年级上学期月考数学试题
广东省佛山市禅城区2023-2024学年九年级上学期月考数学试题广西壮族自治区贺州市八步区2020-2021学年九年级上学期期末数学试题福建省宁德市2021-2022学年九年级上学期期末数学试题福建省漳州市诏安县初中第一教研片2023-2024学年九年级上学期期中数学试题广东省佛山市禅城区明德中英文学校2023-2024学年九年级上学期第三次月考数学试题(已下线)专题04 图形的相似(知识串讲+热考题型+真题训练)-2023-2024学年九年级数学上学期期中期末考点归纳满分攻略讲练(北师大版)吉林省长春市绿园区2023-2024学年九年级上学期期末考试数学试题江西省南昌市2023-2024学年九年级上学期期末数学试题(已下线)专题09探索三角形相似的条件(7个知识点6种题型)-【帮课堂】2023-2024学年九年级数学下册同步学与练(苏科版)
6 . 如图,已知直线
,分别交直线
于点A,B,C和点D,E,F,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b64254ccf2bf88337f4e88055a0cc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8adeafae077c14c20c53cd3e08da45ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e80bb0f244f283cd4c3faf809ba488d.png)
A.6 | B.9 | C.12 | D.15 |
您最近一年使用:0次
名校
7 . 如图,两条直线被三条平行线所截,若
,
,则
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/11ddd1e1-5b8c-4b5a-ba1d-b9ade3489d2e.jpg?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b47e74d3b400fae083c24768c95918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/11ddd1e1-5b8c-4b5a-ba1d-b9ade3489d2e.jpg?resizew=162)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
2023-12-06更新
|
330次组卷
|
5卷引用:湖南省长沙市长郡双语实验中学2023-2024学年九年级上学期第三次月考数学试题
名校
8 . 如图,正方形
中,
分别为
、
边的中点,连接
,将正方形折叠,使点
落在
上点
的位置,折痕
交
于点
,若
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b88a92c3f78aab24d2cc6944c53ec.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d926d05582e0cb46553ee6e708fa4900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/ef66f7ff-1fb8-4290-9372-1d0d85080bb8.png?resizew=124)
您最近一年使用:0次
名校
9 . 如图,
,直线
,
与这三条平行线分别交于点
,
,
和点
,
,
,若
,
,
,则
的长等于____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b484c6569f3a96d76b77816ea38af552.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eeb94acdc3de00655e6e29d5372da09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/22f6da6f-2e06-42d6-a8bc-15877e25889d.png?resizew=121)
您最近一年使用:0次
2023-11-17更新
|
217次组卷
|
5卷引用:吉林省长春市二道区第一外国语中学2023-2024学年九年级上学期10月月考数学试题
10 . 如图,在
中、已知
,
,
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50c9f8c4c875934ffb44ad34fd0303a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86338536656046e93b53672ade9a78b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/49610fb7-791c-478f-948c-75fe308519b2.png?resizew=123)
您最近一年使用:0次
2023-11-16更新
|
131次组卷
|
3卷引用:安徽省阜阳市临泉县鲖城镇中心学校2023-2024学年九年级上学期月考数学试题