如图,在
中,已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/93787d0d-32b6-4eb9-84a7-9a04e35ec608.png?resizew=197)
(1)在
边上求作点
,连结
,使得
;(要求:尺规作图,不写作法,保留作图痕迹)
(2)在(1)所作的图形中,当
,
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/93787d0d-32b6-4eb9-84a7-9a04e35ec608.png?resizew=197)
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
(2)在(1)所作的图形中,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101bb72104105c615f95d7aede1a9c29.png)
更新时间:2024-01-24 15:53:35
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,
的垂直平分线交
于点
,交
于点D,
的垂直平分线交
于点
,交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/f097932c-08e1-4a9a-94d2-c2bf2749d154.png?resizew=176)
(1)求
的周长;
(2)求
的度数;
(3)如果
交
于点
,猜想
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b3ccbed8aa44da96fbf16bb9978b48.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/f097932c-08e1-4a9a-94d2-c2bf2749d154.png?resizew=176)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654a3aacb8539b4996023caf5b55c85e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd151c4fccf42e84b0bfa07b12227b3.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.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,在
中,
,斜边
的垂直平分线交
于点
,交
于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040de2371ee05481f747aed853353103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/318af46f5578618b1dd253eabc04586c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/16/1af1b352-6dc0-4488-92b2-794bea24028f.png?resizew=238)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,已知
,根据要求作图:
(1)作
边上的高线
.
(2)用直尺和圆规作过点A将
的面积平分的线段.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/6b251bfc-41c0-466f-bc7a-4c324425ca8d.png?resizew=145)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)用直尺和圆规作过点A将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】作图题:
的三条高.
(2)尺规作图,不写作法,保留作图痕迹.已知:
,求作:
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)尺规作图,不写作法,保留作图痕迹.已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e3d51307daa0cfab77eec9311d91bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b17eea762ad2b14c87ed9f510fb770.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】图,
是
的直径,点C在
的延长线上,
平分
交
于点D,过点A作
,垂足为点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/b5f86284-e1ca-4ad6-8361-080e24c07446.png?resizew=239)
(1)判断直线
与
的位置关系,并说明理由;
(2)若
,
,求
的半径以及线段
的长.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35803969509655f72b4118503ae1c966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4611ceb2a28f7a7e4d24266d7f99b22.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/b5f86284-e1ca-4ad6-8361-080e24c07446.png?resizew=239)
(1)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93123510ac4da899e3227a0211c576e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图1,有一张矩形纸片ABCD,AB=4,BC=8,点M,N分别在矩形的边AD,BC上,将矩形纸片沿直线MN折叠,使点C落在矩形的边AD上,记为点P,点D落在G处,连接PC,交MN于点Q,连接CM.
(1)求证:四边形CMPN是菱形;
(2)当P,A重合时,如图2,求MN的长;
(3)设△PQM的面积为S,求S的取值范围.
(1)求证:四边形CMPN是菱形;
(2)当P,A重合时,如图2,求MN的长;
(3)设△PQM的面积为S,求S的取值范围.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/18/40c17dfd-6b11-4cd3-b67f-91587281e4b9.png?resizew=300)
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解答题-作图题
|
适中
(0.65)
真题
名校
【推荐1】如图,在平面直角坐标系中,A(2,1),B(5,2),C(3,4)是菱形ABDC的三个顶点.
(1)在图中画出菱形ABDC并写出菱形的顶点D的坐标,并求
的值;
(2)以原点O为位似中心,将菱形ABDC放大为原来的2倍,在第一象限内画出放大后的图形,并写出点D的对应点D′的坐标.
(1)在图中画出菱形ABDC并写出菱形的顶点D的坐标,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3281279fd172040eadc139ee61581a5a.png)
(2)以原点O为位似中心,将菱形ABDC放大为原来的2倍,在第一象限内画出放大后的图形,并写出点D的对应点D′的坐标.
![](https://img.xkw.com/dksih/QBM/2012/2/23/1573343888490496/1573343938887680/STEM/ce874db3f6f8476b94d3e68866cbdcc6.png?resizew=180)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,已知在
中,
,垂足为点
, 点
是边
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/281e02bf-1795-4653-9eb2-860a2966e49b.png?resizew=207)
(1)求边
的长;
(2)求
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a0513b5c0519c68f01506e7c77fd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/281e02bf-1795-4653-9eb2-860a2966e49b.png?resizew=207)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a852c13de65877be1f43ac1f88f179d7.png)
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