真题
名校
1 . 如图,
,
相交于点
,
,
是
的中点,
,交
于点
.若
,则
的长为( )
![](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/c30f6595dd643813b11ad71df61a10dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ce32435647d7324b3c40a3fa758fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3037ac1c7e3628c026cac45eef2748a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.2 | B.4 | C.6 | D.8 |
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2 . 正方形
的边长为6,点
在边
上,且
,
是边
上一动点,连接
,过点
作
交
边于点
,设
的长为
,则线段
长度的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ffee7dce798a8ff2798dd6d188c20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9de1770909f749b8394fd8b3259ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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3 . 如图,在矩形
中,
,
,点E在
上,
,P是
上一点,将矩形沿
折叠,点A落在点
处.连接
,与
相交于点F,设
.
(1)
________;
(2)若点A在
的平分线上,求
的长;
(3)求点
,D距离的最小值,并求此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc5df62e8ac9c74a46462519b95479a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8711eddf26d11fc974dfb6da4b640918.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/18/bb27ddf1-5b8c-4b79-a2ae-35268e932b76.png?resizew=303)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
(2)若点A在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c21905a8c93b6621e9914d773b3418.png)
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名校
4 . 如图所示,直线
与
轴相交于点
,与y轴相交于点B,将
沿着y轴折叠,使点A落在x轴上,点A的对应点为点C.
(1)求点C的坐标;
(2)设点P为线段
上的一个动点,点P与点A、C不重合,连接
,以点P为端点作射线
交
于点M,使
,
①求证:
;
②是否存在点P使
为直角三角形?若存在,请求出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdc4824212e952b5a32d89187b8997a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/3e1f3b06-81f4-4bb1-a8b8-c9dc86c4bdf7.png?resizew=625)
(1)求点C的坐标;
(2)设点P为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3780e6edf27724c280e447c6a279c168.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8c7df0dcdc33d8a1751e66d8f9084e.png)
②是否存在点P使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ae0df0b9934dd820e797e501e7074b.png)
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5 . 如图,正方形ABCD的边长是3,
,连接AQ,DP交于点O,并分别与边CD,BC交于点F,E,连接AE,下列结论:①
;②
;③
;④当
时,则
,其中正确结论的是______ (请将正确的结论序号填写在横线上).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cdc346d78b31a196d99e910b39469e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b11f2ea112fff1885811bd5bc73cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f70e805a233a766f0ab13ef47a87b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7885632753de83b5ebbcd0e8d4a2c059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d10f2db7289ff1ec65c47d9af77a9c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0e65d4b527b522c775da2e8a233313.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/81ba3670-0ae8-4452-9759-131c27e16b19.png?resizew=160)
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6 . 如图,在
中,
,斜边上的高
交
于D,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b21196e5f443779723b8c676d1ba7db.png)
______ .
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905c7dbd4a489c232f4c7ceb05479ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b21196e5f443779723b8c676d1ba7db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/9/c51ecd82-ed1f-4da0-ad24-75b682c9f493.png?resizew=181)
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7 . 如图,在矩形
中,
,
,点
是
边上的任一点(不包括端点
,
),过点
作
交
的延长线于点
,设
.
(1)求
的长(用含
的代数式表示);
(2)连接
交
于点
,连接
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ed934aa29859e93b1f758229a12581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbee60fd68646f609fbb8c145262992.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/18/4260cb57-aa0a-4f4a-a413-a3740ba72969.png?resizew=184)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5f736b1195fef1d2d300168a795f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7086019ebc10d0b10fc45f878583fffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc1a8e1de618493faf62d1e75638a49.png)
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湖南省益阳市赫山区沧水铺镇芙蓉学校2022-2023学年九年级上学期期末数学试题(已下线)专题06 相似图形与相似三角形(八种考法)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(湖南专用)(已下线)专题23.4 相似三角形的判定与性质(二)【九大题型】-2023-2024学年九年级数学上册举一反三系列(华东师大版)(已下线)专题22.4 相似三角形的判定与性质(二)【九大题型】-2023-2024学年九年级数学上册举一反三系列(沪科版)(已下线)专题4.4 相似三角形的判定与性质(二)【九大题型】-2023-2024学年九年级数学上册举一反三系列(浙教版)(已下线)专题4.4 相似三角形的判定与性质(二)【九大题型】-2023-2024学年九年级数学上册举一反三系列(北师大版)
8 . 如图,
与
交于
点,
,
,求
的度数.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1c55a24062c5f66b1e153b7427b8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea8d2436104194afbfb66c3fe9bbb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/18/7279fe96-90ba-4711-a497-deaa8e917683.png?resizew=156)
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9 . 如图,在正方形
中,
为
上一点,连接
,
,交
于点
,交
的延长线于点
.
(1)求证:
.
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77810843a45282bf6b37071af37ce81c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/2023/8/18/514e00be-5c31-4269-9370-c0c53832dffe.png?resizew=255)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff1806ed0327bdb7671f4937246764e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562471558e5ed348985e87bb7009f6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
您最近一年使用:0次
10 . 如图,
是
内部一点,
是
延长线上一点,已知
,
.
求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edd3d09ee90a4e037d729b55805e6feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd59c07382fcbcb8902ee689dd4e91.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/22/344b2cb6-b9e1-47fa-bd37-eb915430848f.png?resizew=187)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83f158b640cf440050a9eedc3621d31.png)
您最近一年使用:0次