如图①,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b14a89363fa1e1a3b74ed989a5311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be616944953f6020d8b7e41741d8e14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
(2)【问题探索】
如图②,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(3)【问题解决】
如图③,在平面直角坐标系中,已知两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f8297bca75733768012232c0780311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c5fc37134530499ef0f342dec8a127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
更新时间:2024-05-18 11:05:11
|
相似题推荐
【推荐1】如图1,在平面直角坐标系中Rt△AOB≌Rt△DCA,其中B(0,4),C(2,0).连接BD.
![](https://img.xkw.com/dksih/QBM/2020/3/24/2429100475236352/2436974022270976/STEM/691f493b44c742d2b4c5d4d42a30fd02.png?resizew=438)
(1)求直线BD的解析式;
(2)点E是直线AD上一点,连接BE,以BE,ED为一组邻边作▱BEDF,当▱BEDF的面积为3时,求点E的坐标;
(3)如图2,将△DAC沿x轴向左平移,平移距离大于0,记平移后的△DAC为△D′A′C′,连接D′A,D′B,当△D′AB为等腰三角形时,直接写出点D′的坐标.
![](https://img.xkw.com/dksih/QBM/2020/3/24/2429100475236352/2436974022270976/STEM/691f493b44c742d2b4c5d4d42a30fd02.png?resizew=438)
(1)求直线BD的解析式;
(2)点E是直线AD上一点,连接BE,以BE,ED为一组邻边作▱BEDF,当▱BEDF的面积为3时,求点E的坐标;
(3)如图2,将△DAC沿x轴向左平移,平移距离大于0,记平移后的△DAC为△D′A′C′,连接D′A,D′B,当△D′AB为等腰三角形时,直接写出点D′的坐标.
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【推荐2】平面直角坐标系在代数和几何之间架起了一座桥梁,实现了几何方法与代数方法的结合,使数与形统一了起来,在平面直角坐标系中,已知点A(x1,y1)、B(x2,y2),则A、B两点之间的距离可以表示为AB=
,例如A(2,1)、B(﹣1,2),则A、B两点之间的距离AB=
=
;反之,代数式
也可以看作平面直角坐标系中的点C(5,1)与点D(1,﹣2)之间的距离.
(1)已知点M(﹣7,6),N(1,0),则M、N两点间的距离为 ;
(2)求代数式
的最小值;
(3)求代数式|
| 取最大值时,x的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb1121d4ae42fb87bbb32f7abe00ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2afa2fc1e722fd1685b2cb101521295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8904e90e9f79420ee399c8f03946d0a2.png)
(1)已知点M(﹣7,6),N(1,0),则M、N两点间的距离为 ;
(2)求代数式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04e0bd33047f31468263e464eea3f07.png)
(3)求代数式|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393e1b6f1b4517db6f8ceca9715d17e1.png)
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真题
【推荐1】某数学兴趣小组运用《几何画板》软件探究
型抛物线图象.发现:如图1所示,该类型图象上任意一点P到定点
的距离
,始终等于它到定直线l:
的距离
(该结论不需要证明).他们称:定点F为图象的焦点,定直线l为图象的准线,
叫做抛物线的准线方程.准线l与y轴的交点为H.其中原点O为
的中点,
.例如,抛物线
,其焦点坐标为
,准线方程为l:
,其中
,
.
(1)请分别直接写出抛物线
的焦点坐标和准线l的方程:___________,___________;
【技能训练】
(2)如图2,已知抛物线
上一点
到焦点F的距离是它到x轴距离的3倍,求点P的坐标;
【能力提升】
(3)如图3,已知抛物线
的焦点为F,准线方程为l.直线m:
交y轴于点C,抛物线上动点P到x轴的距离为
,到直线m的距离为
,请直接写出
的最小值;
【拓展延伸】
该兴趣小组继续探究还发现:若将抛物线
平移至
.抛物线
内有一定点
,直线l过点
且与x轴平行.当动点P在该抛物线上运动时,点P到直线l的距离
始终等于点P到点F的距离(该结论不需要证明).例如:抛物线
上的动点P到点
的距离等于点P到直线l:
的距离.
请阅读上面的材料,探究下题:
(4)如图4,点
是第二象限内一定点,点P是抛物线
上一动点,当
取最小值时,请求出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45848d377cad2507fe6846d0882005e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1902e0111df0c03db02b5b44de18d020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4418c0618a712877287ca49a222c07f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4418c0618a712877287ca49a222c07f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65a79be0823c8a3ebe454413adeaf99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969bb8b5cf54b25f2a8130a43bb0ee46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32ae4ac252986a77c07b980d375a3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f04ce13aa25ab2713cfb5b20ece79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8846a18257c0be81d0b4557baf80aada.png)
(1)请分别直接写出抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
【技能训练】
(2)如图2,已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f451d21532db4a75c0cd2654e05ed7.png)
【能力提升】
(3)如图3,已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73ecfaeac5db3976fe465b6f3ea977e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
【拓展延伸】
该兴趣小组继续探究还发现:若将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45848d377cad2507fe6846d0882005e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18693965a5282f72e6b6f32c41457735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18693965a5282f72e6b6f32c41457735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccf06178e2e57b5038efb1a861d88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ccea2d0f92d3c4feac0d75d25a7b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893ff0f9b64c66312c37cb7ce90c351d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b49a7c658d9e9107e95ba61abb58bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08502299fcc3ac3436b4b33d04f1673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ff759afa8368dcc49265b1c0d34338.png)
请阅读上面的材料,探究下题:
(4)如图4,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036ab6bb2db534f1dfe8932da4e4998a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c1ab118b1278890bc60cf0b7f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d60672d800544503f19e5a9cbb7647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf1c00108ec0fe5eefe9281ca2b1b6c.png)
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解答题-证明题
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困难
(0.15)
【推荐2】如图,在
与
中,
,
,
,点
在边
上.
(1)如图1,若点
与点
重合,点
在
的延长线上,若
,连接
,求
;
(2)如图2,若点
恰好在
的高
上,点
在
上,
,且
,求证:
;
(3)如图,若点
与点
重合,且
,
,将
绕点
旋转,连接
,点
为
的中点,连接
,在旋转过程中,当
的值最小时,直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66b90ffe8c9a93aba917c61007e895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ca0f2b2b40440365fcce22ac32c0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9545fa63b0f69136cf7146e14f897e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/7206971d-e161-4602-aecd-dfae550d9f5b.png?resizew=623)
(1)如图1,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4df5c5be13044facff177a5831435b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88344b9b01be85c49a08de76d53c7ce1.png)
(2)如图2,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30596d79124df0119299695645ae5f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b251222f8dcc257f07c9586031f5f664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ff4feea98b7d64e4aa990a61a6925f.png)
(3)如图,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fc2d383876afe5be1103352571805b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48744a1a01303ea0634a30a98fc96dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
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解答题-问答题
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名校
【推荐1】已知抛物线y=ax²+bx+c经过点A(-6,0)、B(2,0)和C(0,3),点D是该抛物线在第四象限上的一个点,连接 AD、AC、CD,CD 交x轴于E.
![](https://img.xkw.com/dksih/QBM/2021/5/18/2723833462767616/2727769140273152/STEM/c68a6942-72e0-4a43-836a-e0b0dff65bc1.png?resizew=396)
(1)求这个抛物线的解析式;
(2)当S△DAE=
S△ACD时,求点 D的坐标;
(3)在(2)的条件下,抛物线上是否存在点P,使得△PAD中的一个角等于2∠BAD?若存在,直接写出点P 的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2021/5/18/2723833462767616/2727769140273152/STEM/c68a6942-72e0-4a43-836a-e0b0dff65bc1.png?resizew=396)
(1)求这个抛物线的解析式;
(2)当S△DAE=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
(3)在(2)的条件下,抛物线上是否存在点P,使得△PAD中的一个角等于2∠BAD?若存在,直接写出点P 的坐标;若不存在,请说明理由.
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【推荐2】已知,在
中,
,
,D为线段
上一点,连接
,过点C作
,
,连接
,延长
到点E,连接
,使得
.
(1)如图1,若
,求
的长;
(2)如图2,点G是线段
上一点,连接
,过点G作
,过点D作
,交
于点H,求证:
;
(3)如图3,点M为
上一点,连接
,若
,
,请直接写出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1a23f51a2ff0896988930f5209fc64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb5baea4ac1668b674a8634e15bcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3a050023572923d07e5dfe7331d1d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/4bc45da6-f985-41b7-88e3-2d075a443662.png?resizew=670)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1952b05bb629483a8217cf507f9309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
(2)如图2,点G是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4db1e6666de61eb94dd749fc95496d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfab24a9cb9315013b7e288ffe3eca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ca5432277c7163b99aabbccc254731.png)
(3)如图3,点M为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5fc7b695498b5f84bb41f0b3404e786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0277e5c10716e890877bf7daf1cbac93.png)
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解答题-证明题
|
困难
(0.15)
【推荐1】如图,△ABC是钝角三角形,
,圆O是△ABC的外接圆,直径PQ恰好经过AB的中点M,PQ与BC的交点为D,
,l为过点C圆的切线,作
,CF也为圆的直径.
(1)证明:
;
(2)已知圆O的半径为3,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05eaf83872f586f625d6be92f2748c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7f38d8b55d6ffee87c908e336508d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6880f075731ad7bcd2e755e724631494.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebf728aa97835598878f652e4633c46.png)
(2)已知圆O的半径为3,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bd7b11e84f75ff2002c8121c13ab13.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/a9b53e20-cf59-43ed-8ced-317bae7351ee.png?resizew=146)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
名校
【推荐2】如图,直线
与
轴交于点
,与
轴交于点
,
,将直线
绕点
顺时针旋转
得到直线
,有一半径为1的
与
轴相切于点
,沿着
轴向右平移
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/c7825ae4-5b5d-4702-8811-749d59c9309a.png?resizew=228)
(1)当直线
绕点
顺时针旋转至
时,求点
的对应点
的坐标.
(2)平移
,使得点
与点
重合时,求
落在
内部的面积.
(3)当
与直线
相切时,平移
的距离是多少个单位?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b136c45d114d9432aa492909cda4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7621143fb7a558b883869b29b18806e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/c7825ae4-5b5d-4702-8811-749d59c9309a.png?resizew=228)
(1)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(2)平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
您最近一年使用:0次