真题
1 . 如图所示,在矩形
中,
为边
上一点,且
.
;
(2)
为线段
延长线上一点,且满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05bfebd69be08f1ca4d058ed7c0bba3c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb870a3094aac7830e0cdd39c97da5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a3a922f7ea64083c415c72259179a3.png)
您最近一年使用:0次
真题
2 . 如图,
与
相交于点
,
,
.
;
(2)用无刻度的直尺和圆规作图:求作菱形
,使得点M在
上,点N在
上.(不写作法,保留作图痕迹,标明字母)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0175dc2b94c0825fc250da0a2ba648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/decd02bb1fd6ac5a3610a279fe96212b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528fa89492fc43b433557508fff7a19a.png)
(2)用无刻度的直尺和圆规作图:求作菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e649a9ac971bc37db8780ab0c1a0d26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
真题
3 . 如图,在
中,点D为
边的中点,过点B作
交
的延长线于点E.
.
(2)若
,求证:
![](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/cccde778c619848076ea8c11b0b13a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345a37af6d2f5988cc0ff8c4c27a639d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bae74865b97db7ced7fbf67303668ee.png)
您最近一年使用:0次
真题
4 . 如图,在
中,延长
至点
,使
,过点
作
,且
,连接
交
于点
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/8e12457d5b7d0f2611f4cdc173ceb784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b750a0aeab4974c590b538e009fb3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3620030e8808da46df97330103827913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49db80c5a4f32fcd2db22bf6903ea481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3362a45b72536c714c5107b0ae94f1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
您最近一年使用:0次
真题
5 . 宜宾地标广场位于三江汇合口(如图1,左侧是岷江,右侧是金沙江,正面是长江).某同学在数学实践中测量长江口的宽度,他在长江口的两岸选择两个标点C、D,在地标广场上选择两个观测点A、B(点A、B、C、D在同一水平面,且
).如图2所示,在点A处测得点C在北偏西
方向上,测得点D在北偏东
方向上;在B处测得点C在北偏西
方向上,测得点D在北偏东
方向上,测得
米.求长江口的宽度
的值(结果精确到1米).(参考数据:
,
,
,
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d00e5e340b37cc0c7015dc99defca62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41130d7bff34bf9050383285203223c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41130d7bff34bf9050383285203223c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d00e5e340b37cc0c7015dc99defca62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc7c9678a30727f17e443a5f0d64daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad290c4bde0c54eed699efc5b142ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7df26abd206d92489e0b3807c6d1f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669bffef79b3fb0ff0ae706adbbd6676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8aa9433ce263945236d11ff5d1211d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46af8d1a7af18f1504109b7f5cf79d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992440445bdcd597a54fe75532b4237c.png)
您最近一年使用:0次
真题
6 . 如图,线段
、
相交于点
.且
,
于点
.
作
的垂线,垂足为点
、连接
、
;(不写作法,保留作图痕迹,并标明相应的字母)
(2)若
,请判断四边形
的形状,并说明理由.(若前问未完成,可画草图完成此问)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c220eadc312101e2fb89dfe920f7b30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
您最近一年使用:0次
真题
7 . 在
中,
,
是
的内切圆,切点分别为D,E,F.
,
________,
________;若
,
,则
半径长为________;
(2)如图2,延长
到点M,使
,过点M作
于点N.
求证:
是
的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf629bfb2d7b9daea6f2c1553360af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac679f877d3e3b3acef1f1f8e3654b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5f441402ee632377b6bedeb060f3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.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/3d97cdc586744d208b6f69c9813af977.png)
(2)如图2,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4714e33baa77ada39336c475a4be1cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f479d987bc7abd828c64f9dc745836ab.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
真题
名校
8 . 如图,在矩形
中,点P在
边上,连接
,将
绕点P顺时针旋转90°得到
,连接
.若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9985eaef9e31b243d5aaf89b71f66075.png)
_______ .
![](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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3f7368811340328acf5be13f499d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037b1a3ec2e37bbcb05d0a467efb511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a306417e43670260e4b68a928a22071f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81128e284643ab12533b3a3290496c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9985eaef9e31b243d5aaf89b71f66075.png)
您最近一年使用:0次
2023-10-20更新
|
1268次组卷
|
7卷引用:2023年青海省西宁市中考数学真题
2023年青海省西宁市中考数学真题(已下线)第3讲 平移与旋转(已下线)专题9.44 中心对称图形——平行四边形(直通中考)(培优练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)(已下线)重难点07中考数学选填压轴题练习(21大题型)-2024年中考数学【热点·重点·难点】专练(全国通用)2024年广东省广州市荔湾区中考一模数学试题2024年山东省临沂市临沭县九年级中考一模数学试题2024年广东省揭阳实验中学中考模拟数学试题
真题
名校
9 . 如图,在
中,点
,
分别在
,
的延长线上,且
,连接
与
交于点
,连接
,
.
;
(2)若
,
,求四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ced5343bde5f1527e8cfdab6c4a5e1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1384ffba86ff08ce9e783d5d1bc51686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d5d02bb06bd863899f1a6a9f6906c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
您最近一年使用:0次
2023-10-20更新
|
1138次组卷
|
8卷引用:2023年青海省西宁市中考数学真题
2023年青海省西宁市中考数学真题(已下线)专题18.21 菱形(直通中考)(提升练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)2024年江苏省无锡市中考数学模拟预测题(已下线)专题18.32 平行四边形(直通中考)(提升练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)2024年四川省成都市中考数学模拟预测题(一)(已下线)专题03 三角形的证明与计算(全等、相似、边角计算)-2024年中考数学二轮热点题型归纳与变式演练(全国通用)(已下线)重难点04+平行四边形与特殊平行四边形(4考点8题型)12024年湖南省长沙市长郡教育集团中考三模数学试题
真题
名校
10 . 【特例感知】
(1)如图1,在正方形
中,点P在边
的延长线上,连接
,过点D作
,交
的延长线于点M.求证:
.
【变式求异】
(2)如图2,在
中,
,点D在边
上,过点D作
,交
于点Q,点P在边
的延长线上,连接
,过点Q作
,交射线
于点M.已知
,
,
,求
的值.
【拓展应用】
(3)如图3,在
中,
,点P在边
的延长线上,点Q在边
上(不与点A,C重合),连接
,以Q为顶点作
,
的边
交射线
于点M.若
,
(m,n是常数),求
的值(用含m,n的代数式表示).
(1)如图1,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4db5b8e1be98e467b6f0540ab3466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdf4714dcc9ed2baa76a538f5d1ae17.png)
【变式求异】
(2)如图2,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f78bc6606b08ba600102d95e6418325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329c893cdaede883a62f613c46d86928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50196d293a863fe2f9e46199052ab8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9d2ecb2dd842f8dc4fae3c42e26ee1.png)
【拓展应用】
(3)如图3,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3aa00e202fc89fb05d58d371f2b78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b4eea854f71c03b451cd3005119f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac82ae472f33ceb1c9139a05506d61d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae35e5215a1461968065017569e48254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9d2ecb2dd842f8dc4fae3c42e26ee1.png)
您最近一年使用:0次
2023-10-19更新
|
2123次组卷
|
12卷引用:2023年浙江省湖州市中考数学真题
2023年浙江省湖州市中考数学真题 四川省成都市武侯区成都市第七中学2023-2024学年九年级上学期12月月考数学试题(已下线)寒假作业14 相似三角形的基本模型-【寒假分层作业】2024年九年级数学寒假培优练(人教版)安徽省安庆市第二中学(南区)2023-2024学年九年级上学期月考(二)数学试题(已下线)第1讲 相似三角形(已下线)专题7 化归思想浙江省湖州市吴兴区第四中学教育集团2023-2024学年九年级上学期期末数学试题2024年山东省庆云县中考第一次练兵考试数学模拟试题(已下线)专题16 相似三角形(考点回归+练透中考6类核心重点考向)-备战2024年中考数学真题题源解密(全国通用)(已下线)重难点02 相似三角形模型及其综合题综合训练(11大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(全国通用)(已下线)专题10 三角形压轴题综合-2024年中考数学二轮热点题型归纳与变式演练(全国通用)2024年四川省达州市开江县九年级中考模拟测试(二)数学试题