如图,
是
的直径,
是
的弦,
交
于点
,连接
,过点
作
,垂足为
,
.
![](https://img.xkw.com/dksih/QBM/2020/8/7/2522794546782208/2522825228918784/STEM/70ef083fb49b4ea6b2e94c136f35421b.png?resizew=261)
(1)求证:
;
(2)点
在
的延长线上,连接
.
①求证:
与
相切;
②当
时,直接写出
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a828edad1e9c2af9fd56748bba0326b.png)
![](https://img.xkw.com/dksih/QBM/2020/8/7/2522794546782208/2522825228918784/STEM/70ef083fb49b4ea6b2e94c136f35421b.png?resizew=261)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370de9898dcfdab95400f22ddaca8126.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0d2c4243112f107834f412e2a20a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
2020·辽宁盘锦·中考真题 查看更多[5]
辽宁省盘锦市2020年中考数学试题(已下线)考点17 圆-备战2021年中考数学考点(已下线)热点08 圆-2021年中考数学【热点·重点·难点】专练(已下线)重难点06 几何类综合问题-2021年中考数学【热点·重点·难点】专练四川省成都市青羊区成都市石室联合中学(陕西街校区)2020~2021学年九年级下学期开学考试数学试卷
更新时间:2020-08-07 18:43:58
|
相似题推荐
解答题-证明题
|
困难
(0.15)
名校
【推荐1】如图1,在钝角
中,
,
,点
、
分别为边
、
上的点,且
,
,将
绕点
逆时针方向旋转
度
.
(1)求
的长;
(2)如图2,当
时,连接
.求证:
;
(3)如图3,在旋转
的过程中,直线
交于点
.
①
______;
②将
从图1位置绕点
逆时针方向旋转
,求点
的运动路程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb01d2b57580731c8b807ac8cffc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4a01e0ef33d03c3a6011b8aa7e5bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc293cf838657cacef35919e67ba582a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752d8977a26f32611cbdfa424181bcd2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/11/70c5306a-edac-4b9b-bf61-9213b0933a54.png?resizew=521)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)如图2,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e915c7310f3781887a1afb99dbf949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f677175ac1313c715bf876123f7573c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df0ffb0818a8f7726c2a141a7f4f63e.png)
(3)如图3,在旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238f6091146d631224f0bf2ccd7db99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7d03bb1652fba6d5afe5f1db40fb2d.png)
②将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
名校
【推荐2】给出如下定义:对于
的弦
和
外一点
(
,
,
三点不共线,且
,
在直线
的异侧),当
时,则称点
是线段
关于点
的关联点.图1是点
为线段
关于点
的关联点的示意图.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/96be6ffc-5723-4719-b355-389ecf5485c1.png?resizew=684)
在平面直角坐标系
中,
的半径为2.
(1)如图2,
,
.在
,
,
,三点中,是线段
关于点
的关联点的是________;
(2)如图3,
,
,点
是线段
关于点
的关联点.
①
的大小为________
;
②在第一象限内有一点
,点
是线段
关于点
的关联点,求点
的坐标;
③点
在直线
上,当
时,直接写出点
的横坐标
的取值范围________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf7cd90ca7f7ade9f76e7e014aa643c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/96be6ffc-5723-4719-b355-389ecf5485c1.png?resizew=684)
在平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(1)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036818ece5123ca4f8f758ab840e429a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2183ae6dc9e64bf2b3ce73aee4869a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c781a586eabe6d875c1eb1cb733c6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f63f0bdeade1904c747ec9ef0ff3443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c4f963dcb33cde57aefc45ae62426d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a54e7b35c73ee578c4d01479ddb74cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
②在第一象限内有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0db537a436dbc5afba14cb405b561c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b238134d9f4b7a84aff9230c241fb45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a44f325c4ba66538ebf5bf944bda5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b4863977ff3b71fa63898fc445a16f.png)
您最近一年使用:0次
解答题-证明题
|
困难
(0.15)
【推荐1】在
中,
,
,
,点
,点
同时从点
出发,点
沿边
以
的速度向点
运动,点
从点
出发,沿边
以
的速度向点
运动(点
不与
,
重合,点
不与
,
重合),设运动时间为
.
![](https://img.xkw.com/dksih/QBM/2020/3/16/2420862570536960/2421412904927232/STEM/d84fd789d1254589808567d64479da20.png?resizew=180)
(1)求证:
;
(2)当
为何值时,以
为直径的
与直线
相切?
(3)把
沿直线
折叠得到
,若
与梯形
重叠部分的面积为
,试求
关于
的函数表达式,并求
为何值时,
的值最大,最大值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b883c329b8069dbbf95f998201cfbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d46cedd37a952cc3eeed5ee1741310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c90c92d200e69746a650a5672c2ee85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/0158a0fbbf93db77c4a8afa95aa10f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfe1d7818f723b1df2ea3b627af2b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c762bc931e7340d184b969a08dcabf70.png)
![](https://img.xkw.com/dksih/QBM/2020/3/16/2420862570536960/2421412904927232/STEM/d84fd789d1254589808567d64479da20.png?resizew=180)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e09e4fd5491da106d267cafe1bdc799.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a9fc2dda89829fa2c610a8fce86d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8de671dc938b237520a4b9b19f1217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8de671dc938b237520a4b9b19f1217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af6b531f532eb39c26d36e9dd97254d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0babd7f360a017f68e717fcc7ad8b5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0babd7f360a017f68e717fcc7ad8b5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0babd7f360a017f68e717fcc7ad8b5b1.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
真题
【推荐2】如图,已知
,以
为直径的
交
于点
,连接
,
的平分线交
于点
,交
于点
,且
.
所在直线与
的位置关系,并说明理由;
(2)若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bc8e50eeccced1d7f3bc52e09a7d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14833dbeed409b33acd4c9071fd0be36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7daf20252be576f5dc38fe23317e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ade06068471a9d76e32b417bef7551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
名校
【推荐1】如图1,在平面直角坐标系中,已知直线
:
分别与
、
轴交于点
、
.将直线
平移后过点
得到直线
,交
轴于点
,过点
作直线
交直线
于点
,且
.
![](https://img.xkw.com/dksih/QBM/2020/10/27/2580296782397440/2610709379891200/STEM/d5a4dc78-c4e9-4011-9f75-b7afca2c1c7a.png)
(1)求直线
的解析式;
(2)如图2,将
绕点
顺时针旋转一定角度
,旋转中的
记为
,当线段
交
轴正半轴于点
,且
时,将
沿直线
方向平移,平移中的
记为
,将线段
沿
轴正半轴方向平移
个单位长度得到线段
.在平移过程中,平面内是否存在点
,使以点
、
、
、
为顶点的四边形为菱形?若存在,请求出所有符合条件的点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31544558eea24297fd99d04d4a149bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b1fb09b447a2a1d6e9e4702d695b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc1a8e1de618493faf62d1e75638a49.png)
![](https://img.xkw.com/dksih/QBM/2020/10/27/2580296782397440/2610709379891200/STEM/d5a4dc78-c4e9-4011-9f75-b7afca2c1c7a.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(2)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05df5a26c2b978503e93efa040b99508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d164706fdcfbab843fe1523669665ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc890342ba48792f572f99e3f8c033a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30e8655cdbe788e7f0e78a0793710ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68654ff67b62bd6db454de991611c6fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68654ff67b62bd6db454de991611c6fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cbe353c167052ec7687b4b6feff66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f85055da5547d0d6622fa4eef50f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1800d717ed719a8e6a39d1fc2fa011c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d24ff91eb4e0be51b9967030249099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabb0b90b8d893f10ad6af0ed6018b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabb0b90b8d893f10ad6af0ed6018b09.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
【推荐2】如图,在平面直角坐标系中,直线y=kx﹣3k交x轴于点B,交y轴于点A,tan∠ABO=2.
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/cadc7333-97b9-4a5c-b99d-3d1d95b588e9.png?resizew=270)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/59561356-a655-49af-906c-24df222f4bda.png?resizew=270)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/fef4400f-f2b8-4ac3-bbeb-c91b0becb425.png?resizew=177)
(1)求k的值;
(2)点G为线段AB上一点,过点G作CG⊥AB交y轴正半轴于点C,若点G的横坐标为t,线段OC的长为d,求d与t之间的函数关系式,并直接写出t的取值范围;
(3)如图3,在(2)的条件下,延长GC交x轴于点D,连接BC,在BC上截取BH=OC,F为第一象限内一点,且FB⊥x轴,连接FH,点E在第三象限,连接AE、BE、DE,若∠CBO=2∠FHB,∠AEB+∠OBC=90°,且BF=
,DE=
,求点E坐标.
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/cadc7333-97b9-4a5c-b99d-3d1d95b588e9.png?resizew=270)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/59561356-a655-49af-906c-24df222f4bda.png?resizew=270)
![](https://img.xkw.com/dksih/QBM/2022/1/11/2891960092614656/2892308098490368/STEM/fef4400f-f2b8-4ac3-bbeb-c91b0becb425.png?resizew=177)
(1)求k的值;
(2)点G为线段AB上一点,过点G作CG⊥AB交y轴正半轴于点C,若点G的横坐标为t,线段OC的长为d,求d与t之间的函数关系式,并直接写出t的取值范围;
(3)如图3,在(2)的条件下,延长GC交x轴于点D,连接BC,在BC上截取BH=OC,F为第一象限内一点,且FB⊥x轴,连接FH,点E在第三象限,连接AE、BE、DE,若∠CBO=2∠FHB,∠AEB+∠OBC=90°,且BF=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa6e424e50cfc5880fd1968a6cb5fc6.png)
您最近一年使用:0次