如图,以
的三边为直角边分别向外作等腰直角三角形.若
,则图中阴影部分的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/048a3cf3-218b-43a9-b459-5cff571d4db7.png?resizew=110)
A.8 | B.16 | C.32 | D.64 |
更新时间:2023-10-08 08:55:42
|
【知识点】 以直角三角形三边为边长的图形面积
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单选题
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较易
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【推荐1】如图所示为一种“羊头”形图案,其作法是:从正方形①开始,以它的一边为斜边,向外作等腰直角三角形,然后再以其直角边为边,分别向外正方形②和
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A.2 | B.4 | C.8 | D.16 |
您最近一年使用:0次
单选题
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【推荐2】如图,在四边形ABCD中,
,分别以四边形
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,
,
和
.若
,
,
,则
的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/4a3b9a8e-2595-4884-b4bc-63ba765d0456.png?resizew=113)
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A.1 | B.2 | C.3 | D.4 |
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