如图,平面直角坐标系中,
且
,
在线段
上,四边形
关于直线
轴对称的图形为四边形
交
轴于
,作射线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/9bf68537-7715-476c-b787-024482883abf.png?resizew=219)
(1)当
,射线
经过
时,求
的值;
(2)若射线
与
边存在交点,且交点为
,
①求
的范围.
②使
为等腰三角形的
值有且只有2个,请求出
的取值或取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f8137b594103abf6bd10f07dd18194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f1abe74dcd2617868a43a808fa5af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293b63e275caa57bae8c0f5a98c1a312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a5c0d9b9f6080eb41ad65fbb5c7ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/9bf68537-7715-476c-b787-024482883abf.png?resizew=219)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db94ea06ef27a92107d4bb70a404a826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
②使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2023-01-08 13:40:28
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
中,
,点
是线段
上一动点,连结
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/34d3a07d-3fe7-4f46-8176-00cc5a1ed11c.png?resizew=582)
(1)当
为等腰三角形时,直接写出
的度数.
(2)当点
是
的中点时,求
的度数.
(3)过点
作
,垂足分别点
,求连结
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff21fb84a5f22591686121ac474fbfa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/34d3a07d-3fe7-4f46-8176-00cc5a1ed11c.png?resizew=582)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dada4b823d9b13e0dd3cb1e029526cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,在
中,
,垂足分别为G 、H,E 、F分别是
、
的中点,连接
.
;
(2)连接
,若
,则四边形
的面积为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b85245a6706ad1cc1d6ded96460ee1d.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/5f654de00ff27ba9229298f506d3703d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd02d4fb32d1be108e2d0660f1b9b10.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259017b7f38f6751cf955068933e8e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1522a9c3b2466395570c2689a4055584.png)
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解答题-证明题
|
适中
(0.65)
名校
【推荐1】我们把对角线互相垂直的四边形叫做垂直四边形.如图1,在四边形ABCD中,当AC⊥BD时,则四边形ABCD是垂直四边形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/8/a0943418-112d-4696-9496-65388094217d.png?resizew=499)
(1)在①矩形 ②菱形 ③正方形中,一定是垂直四边形的有__________(填序号);
(2)如图2,四边形ABCD是垂直四边形,求证:AD2+BC2=AB2+CD2;
(3)如图3,Rt△ABC中,∠ACB=90°,分别以AC、AB为边向外作正方形ACFG和正方形ABDE,连接CE,BG,GE,已知AC=8,BC=6,求GE的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/8/a0943418-112d-4696-9496-65388094217d.png?resizew=499)
(1)在①矩形 ②菱形 ③正方形中,一定是垂直四边形的有__________(填序号);
(2)如图2,四边形ABCD是垂直四边形,求证:AD2+BC2=AB2+CD2;
(3)如图3,Rt△ABC中,∠ACB=90°,分别以AC、AB为边向外作正方形ACFG和正方形ABDE,连接CE,BG,GE,已知AC=8,BC=6,求GE的长.
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在
中.
(1)利用尺规作图,在
边上求作一点
,使得点
到
的距离(
的长)等于
的长.(要求:不写作法,保留作图痕迹)
(2)画出(1)中线段
.若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/28/489de94b-8423-4d66-93f1-b66d013ebf9b.png?resizew=185)
(1)利用尺规作图,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
(2)画出(1)中线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图1,
的高
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/7231055d-b9b3-46c2-a280-289c510c379a.png?resizew=363)
(1)不添加其他线段,在图1中,与
相似的三角形的个数是______;
(2)如图2,连接
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0a3fa475b24f57ecd79c681259561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/7231055d-b9b3-46c2-a280-289c510c379a.png?resizew=363)
(1)不添加其他线段,在图1中,与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5a1e516644950ef35eafd859b262f1.png)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447872eb3186ac542c1092f56ffcee0a.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在下列6×6的网格中,横、纵坐标均为整数的点叫做格点.例如A(0,3)、B(5,3)、C(1,5)都是格点,在网格中仅用无刻度的直尺作图,保留作图痕迹.
![](https://img.xkw.com/dksih/QBM/2022/1/31/2906204205645824/2959526665822208/STEM/cf9b6f72-81de-453b-947f-613e021ffb89.png?resizew=201)
(1)画出以AB为斜边的等腰Rt△ABD(D在AB下方);
(2)连接CD交AB于点E,则∠ACE= ;
(3)由上述作图直接写出点E到直线BC的距离为 ;
(4)在直线AB下方和x轴上方之间找一个格点F,连接CF,使∠ACF=∠AEC,则F点的坐标为 .
![](https://img.xkw.com/dksih/QBM/2022/1/31/2906204205645824/2959526665822208/STEM/cf9b6f72-81de-453b-947f-613e021ffb89.png?resizew=201)
(1)画出以AB为斜边的等腰Rt△ABD(D在AB下方);
(2)连接CD交AB于点E,则∠ACE= ;
(3)由上述作图直接写出点E到直线BC的距离为 ;
(4)在直线AB下方和x轴上方之间找一个格点F,连接CF,使∠ACF=∠AEC,则F点的坐标为 .
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知:如图,小亮在
上任取一点A.再以点A为圆心、
长为半径将圆等分,等分点分别为B、C、D、E、F,过点C作
的切线交
的延长线于点G.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/18/b7b7fa49-0b2b-4135-b42b-ea8380258198.png?resizew=164)
(1)连接
,试判断
的形状,并说明理由;
(2)若
,求
的长;
(3)若阴影部分的面积为
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/18/b7b7fa49-0b2b-4135-b42b-ea8380258198.png?resizew=164)
(1)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a33d27a9c655d01f606e9bce02b0a5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7174cc94ff542ec9e65710c63654e7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
(3)若阴影部分的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b34fbfbe30bea03ef04ee293d8368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,在Rt△ABC中,∠C=90°,AD平分∠CAB,交BC于点D,CD=2,AC=2
.
(1)求∠B的度数;
(2)求AB和BC的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求∠B的度数;
(2)求AB和BC的长.
![](https://img.xkw.com/dksih/QBM/2019/2/17/2142455685464064/2144173920985088/STEM/fe2cac568f0144659c01635347c97975.png?resizew=144)
您最近一年使用:0次