如图,阴影部分是两个正方形,其他三个图形是一个正方形和两个直角三角形,则阴影部分的面积之和为______ .
更新时间:2024-05-13 10:44:58
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】如图,
为
的边
上一点,已知
,
,
,
,则
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e8ca18462a8948f237327b429ef974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecee881827223bfabdc4c2a286e34ca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b15a30db3b51ac54488b661f558b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1e74dfe5bb72cc2ec11fed875824de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdd9f345915ae742ed3dcd3f9678264.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐2】如图,已知△ABC中,CD⊥AB,垂足为D.CE为△ACD的角平分线,若CD=12,BC=13,且△BCE的面积为48,则点E到AC的距离为_____ .
![](https://img.xkw.com/dksih/QBM/2021/3/6/2671914753433600/2672220904792064/STEM/ea21eb3e1de948ea96a4b1beb616ef40.png?resizew=132)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,在
中,
,以
的三边为边向外作正方形,其面积分别为
,
,
,且
,
,则
的值为______ .
![](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/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56910adcc81bf8f13c69b912b2639451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8fcd3097c630b6c99a4b2a6c9f882a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/413e546c-c4d5-44c0-99b0-5c98083aa635.png?resizew=207)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】古希腊数学家希波克拉底研究过这样一个几何图形(如图):分别以等腰Rt
的边
,
,
为直径画半圆,若斜边
,则图中两个月形图案
和
(图中阴影部分)的面积之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022bc8527f0e1c577e7111ab76c1d938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15e58cfc9d03ba74a36694636160fb4.png)
![](https://img.xkw.com/dksih/QBM/2021/4/22/2705266897584128/2710372361314304/STEM/033bdb4a-68db-48c3-b3e7-aef8b092f32d.png)
您最近一年使用:0次