在平面直角坐标系中,
为原点,点
,
,
.若将点
向右平移10个单位长度,再向上平移4个单位长度,得到对应点
.
(1)点D的坐标为______;
(2)若点
是
轴上一动点,若
的面积等于
的面积,请求出点
的坐标;
(3)若点
为
轴上一动点,若
为等腰三角形,请直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc878a5fd7b508cf817cbb65d3940547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428426e7f2ee0502b555a87a5cef6cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d03310fa9440053c57d878acc06d02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/c2020351-2fe7-4a94-9fac-46e0c6c2de11.png?resizew=141)
(1)点D的坐标为______;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4a514e2e338c6fa31c9938624a4a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a313fa9db2c50907e7341b07cdde8021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
更新时间:2024-03-01 18:38:30
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】在平百直角坐标系
中,
三个顶点的坐标分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/9951c018-6df3-4674-a694-879a0791ae08.png?resizew=270)
(1)画出
关于
轴对称的
,并写出点
的坐标:
(2)试说明
是直角三角形.
(3)已知点
在
轴上,若
,点
的坐标为__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288d4c9bcfec4da0cb2b4d846f6c6c65.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/9951c018-6df3-4674-a694-879a0791ae08.png?resizew=270)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2c4f20594ab1443c0d8dcce42895f3.png)
(2)试说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f53d8d1de63ce32193e012d7dcbe3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在平面直角坐标系
中,对于
,
两点给出如下定义:若点
的横、纵坐标之和等于点
的横、纵坐标之和,则称
,
两点为同和点,下图中的
,
两点即为同和点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/8d31e69c-190a-4123-9356-f7f06fd086ad.png?resizew=229)
(1)
的坐标为
.
①在点
,
,
中,为点
的同和点的是______.
②若点
在
轴上,且
、
两点为同和点,则点
的坐标为______.
(2)
与
轴、
轴分别交于点
、
,点
为线段
上一点.
①若点
与点
为同和点,求点
坐标;
②若存在点
与点
为同和点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/8d31e69c-190a-4123-9356-f7f06fd086ad.png?resizew=229)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2157b41548f02a86a438e63238719841.png)
①在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c62c03b60f2959d17f80535473890a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f36e1b0dab1e4a473bb0c65ce8891b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369f9a3356e153c115b632595ca13c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
②若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b5062be5cf27ae8089ad0c25d1b7c3.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba7c419a9fa7bb4d6e74a092edbc2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②若存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62db3c9aa68656efa47006eb39adb842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,
中,
,
为
中点,点
在直线
上(点
不与点
重合),连接
,过点
作
交直线
于点
,连接
.
与点
重合时,
,求
的长;
(2)如图2,当点
不与点
重合时,求证:
;
(3)若
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0520e9675bc1b416e8b8f01eb69fd13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c175c239742c7ba8fd67a6d5f99cb1b3.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2caa0cdb252ef85275e23c4af711d166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)如图2,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de3e04e5acc1a3e6ef5199f555e73ac.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191b91d73aa8d227512a9e0443e55e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,点P是线段AB的垂直平分线上的点,
,连接PA、PB,当点P的位置发生变化时,
的面积也会随着高PH的长度的变化而变化.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/010d6729-2046-4fbc-8b54-7a91655b5bb5.png?resizew=167)
(1)在这个变化过程中,____________是自变量,____________是因变量.
(2)记
的面积为
,PH的长是
,则y与x之间的关系式是______________.
(3)当高PH的长度由
变化到
时,
的面积由____________
变化到___________
.
(4)当
为等腰直角三角形时,
的面积为_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/010d6729-2046-4fbc-8b54-7a91655b5bb5.png?resizew=167)
(1)在这个变化过程中,____________是自变量,____________是因变量.
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacd892f03da01942140679667792250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be6e964c405a9cdf6623f9219898fd3.png)
(3)当高PH的长度由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
(4)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
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解答题-证明题
|
适中
(0.65)
名校
【推荐1】如图1,已知点B(0,6),点C为x轴上一动点,连接BC,△ODC和△EBC都是等边三角形.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1816961374420992/1817290809851904/STEM/87a367cbd86443088e3646c26e272f1e.png?resizew=133)
图1 图2 图3
(1)求证:DE=BO;
(2)如图2,当点D恰好落在BC上时.
①求OC的长及点E的坐标;
②在x轴上是否存在点P,使△PEC为等腰三角形?若存在,写出点P的坐标;若不存在,说明理由;
③如图3,点M是线段BC上的动点(点B,C除外),过点M作MG⊥BE于点G,MH⊥CE于点H,当点M运动时,MH+MG的值是否发生变化?若不会变化,直接写出MH+MG的值;若会变化,简要说明理由.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1816961374420992/1817290809851904/STEM/9c180814e81a4a1ca6acaec1f12df0eb.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2017/11/14/1816961374420992/1817290809851904/STEM/23cff20663fa4370b28948ff675e0f24.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2017/11/14/1816961374420992/1817290809851904/STEM/87a367cbd86443088e3646c26e272f1e.png?resizew=133)
图1 图2 图3
(1)求证:DE=BO;
(2)如图2,当点D恰好落在BC上时.
①求OC的长及点E的坐标;
②在x轴上是否存在点P,使△PEC为等腰三角形?若存在,写出点P的坐标;若不存在,说明理由;
③如图3,点M是线段BC上的动点(点B,C除外),过点M作MG⊥BE于点G,MH⊥CE于点H,当点M运动时,MH+MG的值是否发生变化?若不会变化,直接写出MH+MG的值;若会变化,简要说明理由.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,
中,
,
,过点C在
外作射线
,且
,点A关于
的对称点为点D,连接
,其中
分别交射线
于点M,N.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/90ef01e2-8207-4a74-b376-74ecde3e76bf.jpg?resizew=165)
(1)依题意补全图形;
(2)当
时,直接写出
的度数;
(3)当
时,用等式表示线段
之间的数量关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d89ba4036a5d18ec4abed44d7fd8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d941a16ce73517eb856ba3731ab20a31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d3055b122bf4953a3d6cc92ab03d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a77aa6c27acfffcc601d9ca7e6d4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/90ef01e2-8207-4a74-b376-74ecde3e76bf.jpg?resizew=165)
(1)依题意补全图形;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c96cb3ac8290e09c55d4eb336a8608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefe5bc94ff0563d986d7ec638afec0f.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6406b4f25d9175b1a1bd9c739cb740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f025fe428460188b9cdff5dc2903c581.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐3】如图(1),是两个全等的直角三角形(直角边分别为a,b,斜边为c)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/1377c0c8-4075-40e3-97db-0a86a73b5c61.png?resizew=352)
(1)用这样的两个三角形构造成如图(2)的图形,利用这个图形,可以证明我们学过的哪个定理,用字母表示:_________;
(2)当
时,将其中一个直角三角形放入平面直角坐标系中,使直角顶点与原点重合,两直角边a,b分别与x轴、y轴重合(如图(3)中
的位置).点C为线段
上一点,将
沿着直线
翻折,点A恰好落在x轴上的D处.
①请求出C、D两点的坐标;
②若
为等腰三角形,点M在x轴上,点M_____个,请直接写出符合条件的点M的一个坐标_________
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/1377c0c8-4075-40e3-97db-0a86a73b5c61.png?resizew=352)
(1)用这样的两个三角形构造成如图(2)的图形,利用这个图形,可以证明我们学过的哪个定理,用字母表示:_________;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2108292bb944acab7bfc8ea654748877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c633830c6e2ac6d8d6e18890ef5ee33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①请求出C、D两点的坐标;
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7516bfacb88ea94d2d5156408e9ee25e.png)
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