如图,在空间四边形
中,
,
,
两两垂直,
,
,
,则点
到直线
的距离为( )
![](https://img.xkw.com/dksih/QBM/2022/7/4/3015287038050304/3015557445787648/STEM/909052f3d060426bbb48fafc4d55a2da.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3b3d73ff96882a0fb4d025ecc5669d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262e062dcdd2039084a356862b123e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2022/7/4/3015287038050304/3015557445787648/STEM/909052f3d060426bbb48fafc4d55a2da.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-07-04 22:30:14
|
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】三棱锥
中,
平面
,
,
.
,点
是面
内的动点(不含边界),
,则异面直线
与
所成角的余弦值的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f74b8993c61634ceed95edca05ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知球的直径SC=2,A,B是该球球面上的两点,AB=1,∠ASC=∠BSC=45°,则棱锥
的体积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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适中
(0.65)
解题方法
【推荐1】已知下列四个命题,其中真命题的个数为( )
①空间三条互相平行的直线a,b,c,都与直线d相交,则a,b,c三条直线共面;
②若直线m⊥平面α,直线n//平面α,则m⊥n;
③平面α∩平面β=直线m,直线a//平面α,直线a//平面β,则a//m;
④垂直于同一个平面的两个平面互相平行.
①空间三条互相平行的直线a,b,c,都与直线d相交,则a,b,c三条直线共面;
②若直线m⊥平面α,直线n//平面α,则m⊥n;
③平面α∩平面β=直线m,直线a//平面α,直线a//平面β,则a//m;
④垂直于同一个平面的两个平面互相平行.
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
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解题方法
【推荐2】已知正三棱锥
中,
,
是
的中点,则异面直线
与
所成角的余弦值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1affed1ad8e53a73308c85849a72444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐3】设
是两个不同的平面,
是两条不同的直线,下列命题为假命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
A.若![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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