将一个装有水的圆柱体杯子斜放在水平桌面上,当倾斜角
时,其主视图如图所示.若该水杯的杯口宽度
,则水面宽度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
______
参考数据:
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecec606f265edb25ee0c20b073b58df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912b6b14c72a43003dd0919636f8c272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c545764505bb00578a870c5e39493a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e762ec5956af289c352e9e4764521ae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ad0ec24b1b4b4ecd8f5ee4933c573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14b951a883822c4b1e901b9d04644d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecec606f265edb25ee0c20b073b58df6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/2d99a406-a4a5-4f46-a427-22ef7ab6a7f9.png?resizew=291)
更新时间:2022-07-10 13:56:02
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】如图,AB∥CD,∠A=46°,∠C=27°,则∠AEC的大小应为_____________ .
![](https://img.xkw.com/dksih/QBM/2016/6/2/1574210612674560/1574210618179584/STEM/d0087d5bc9304c9d9a515c8eb00fecf9.png?resizew=152)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐2】如图,一把矩形直尺沿直线断开并错位,点E、D、B、F在同一条直线上,若∠ADE=125°, 则∠DBC的度数为_________ .
![](https://img.xkw.com/dksih/QBM/2017/3/27/1652857883074560/1658621571006464/STEM/8409869640404be89b5314ea7d8c6fb4.png?resizew=155)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】在一块等腰直角三角形铁皮上截一块矩形铁皮.如图,已有的铁皮是等腰直角三角形
,它的底边
长20厘米.要截得的矩形
的边
在
上,顶点
分别在边
、
上,设
的长为
厘米,矩形
的面积为
平方厘米,那么
关于
的函数解析式是__________ .(不必写定义域)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dea6aa2b6d8362542af3a7a8d55c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dea6aa2b6d8362542af3a7a8d55c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/9ece290f-cd65-41e1-ad78-7852fe8be26d.png?resizew=288)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,在数轴上以宽为1个单位长度,长为2个单位长度画一个矩形,以原点O为圆心,以矩形对角线的长为半径画弧,与正半轴交于点A.在点A的左侧截取
,则点B表示的数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/7/9bc3528f-c590-4069-851b-05419ff4be30.png?resizew=252)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,在平行四边形
中,
,
,
,以点
为圆心,
为半径的圆弧交
于点
,连接
,则图中黑色阴影部分的面积为________ .(结果保留
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e0c5cb53fd85b7a23f0580df6bb49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835e355f80d2b3366a50303e245b6824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898522645520384/2900177848156160/STEM/e4611104-12f3-433f-ba5e-e3895d9df391.png?resizew=233)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,将△ABC绕点A顺时针旋转60°得到△AED,若AB=4,AC=3,BC=2,则△ABE的面积为___________ .
![](https://img.xkw.com/dksih/QBM/2020/5/4/2455460541341696/2455515369299968/STEM/e85f0373ea034740b595808f2733b0df.png?resizew=159)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,两根竹竿
和
斜靠在与地面
垂直的墙
上,量得
,
,则
的值为______ .
![](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/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e223f8580b0896291b0c6e9d2358cca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b136c45d114d9432aa492909cda4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746853ea6d76bd7cccc6bdd6c739aed7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/5/60072330-3487-4afd-97b8-f0717031d397.png?resizew=181)
您最近一年使用:0次
填空题
|
较易
(0.85)
真题
【推荐2】如图,河岸AD、BC互相平行,桥AB垂直于两岸,从C处看桥的两端A、B,夹角∠BCA=50°,测得BC=10m,则桥长AB=______ m(用计算器计算,结果精确到0.1米)
![](https://img.xkw.com/dksih/QBM/2012/2/23/1573344014917632/1573344053075968/STEM/0d6dcfb635fa4b15bd9179efac00f292.png?resizew=146)
您最近一年使用:0次