在等腰直角
中,斜边
为
的中点,
为
的中点.将线段
绕着点
旋转得到线段
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f2e37051b52bfc017f923b6641ef74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3abbb5d5ab0a20ca50ba2ade9de5d7.png)
A.-2 | B.![]() | C.![]() | D.-1 |
更新时间:2024-05-12 00:32:58
|
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单选题
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适中
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名校
解题方法
【推荐1】如图,
、
是以
为直径的圆上的两点,其中
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/c8d25949-7e3d-420f-b767-3712887c7c39.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f0f7375222b479e96c7d536db7c9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ecb2fb4a81ac06a13be4436edc098be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c0098e82d41438224ce472054e5490.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/c8d25949-7e3d-420f-b767-3712887c7c39.png?resizew=145)
A.1 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知向量
满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cb6bb582bb4d231c2b24febe19c6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144e58c38f69677769e88ce3a7dceb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01499a2db010085fba3e561c16284395.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次