如图,在四棱锥
中,
平面
,底面
是直角梯形,其中
,
为棱
上的点,且
.
平面
;
(2)求平面
与平面
夹角的余弦值;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5f2ef7b49314a87143f015b893bf81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41744ec71119e7264ef9673a35805a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4c26f3f4d96117f087400a0f32ece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
22-23高一下·天津和平·期末 查看更多[3]
天津市第一中学2022-2023学年高一下学期期末数学试题(已下线)1.2.5 空间中的距离(分层训练)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第一册)(已下线)专题04 空间中的平行、垂直关系-期末真题分类汇编(天津专用)
更新时间:2023-07-16 21:52:57
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在多面体
中,四边形
是正方形,
∥
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/2018/5/29/1955791359115264/1958425185255424/STEM/d7ee1e896aed446a8136b30765cb0430.png?resizew=236)
(1)求证:
∥平面
;
(2)求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eb9dc6476843dec3902fe368c738ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58ea8e8564f263800bd5dfb65e80aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2018/5/29/1955791359115264/1958425185255424/STEM/d7ee1e896aed446a8136b30765cb0430.png?resizew=236)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466fabcaac59132fea648ff35342ec9d.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466fabcaac59132fea648ff35342ec9d.png)
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【推荐2】如图,四棱锥
,
平面ABCD,
为等边三角形,
,B,D位于AC的异侧,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/d6266c39-eb4d-45ce-b01c-fb3ea00a6923.png?resizew=143)
(1)若
,求证:平面
平面PBD;
(2)若直线
平面PAD,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/d6266c39-eb4d-45ce-b01c-fb3ea00a6923.png?resizew=143)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】在四棱锥
中,侧面
平面
,底面
是直角梯形,
,
,
,
,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/30e1bcda-a4e8-4228-9730-ff3adb9f7c50.png?resizew=163)
(1)证明:
平面
;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66a388e2ef14c62b3c4f5e49e71ea3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1328e05d150f86dbe18656662eaa8f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2682f3f3f0f72c893b99073bcac83ff2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/19/30e1bcda-a4e8-4228-9730-ff3adb9f7c50.png?resizew=163)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373f735f0f04d11f1951eaef1bb78b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd25fba2c711e1efbbb2d4a0d4b72f3d.png)
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解答题-问答题
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适中
(0.65)
真题
【推荐2】如图,四边形ABCD是边长为1的正方形,
,
,且MD=NB=1,E为BC的中点
1. 求异面直线NE与AM所成角的余弦值
2. 在线段AN上是否存在点S,使得ES
平面AMN?若存在,求线段AS的长;若不存在,请说明理由
![](https://img.xkw.com/dksih/QBM/2010/3/15/1569633380302848/1569633406836736/STEM/0785b87c4c1244dd911df53455ae7a80.png)
![](https://img.xkw.com/dksih/QBM/2010/3/15/1569633380302848/1569633406836736/STEM/79f663d289894493a6e5f2cc90b2ae10.png)
1. 求异面直线NE与AM所成角的余弦值
2. 在线段AN上是否存在点S,使得ES
![](https://img.xkw.com/dksih/QBM/2010/3/15/1569633380302848/1569633406836736/STEM/6c0e85aa51b8486a9f6be706ef31580d.png)
![](https://img.xkw.com/dksih/QBM/2010/3/15/1569633380302848/1569633406836736/STEM/ab03922d-ed3e-4e20-a33e-45a38ee1d266.png?resizew=236)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,在三棱柱
中,
平面ABC,
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/7d7961eb-0db4-41c3-9c19-f79b48d86cf6.png?resizew=160)
(1)求平面
与平面
所成锐二面角的余弦值;
(2)在线段
上是否存在一点
,使得
与平面
所成角的正弦值为
,若存在,求出CP的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f11708f1eda49619650e07ce84c0719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/7d7961eb-0db4-41c3-9c19-f79b48d86cf6.png?resizew=160)
(1)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a8b76e36783a69d14ec54af82c7df0.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】在①
平面
;②
为
的中点这两个条件中任选一个,补充在下面横线上,并解答问题.
如图,四棱锥
的底面是正方形,每条侧棱的长都是底面边长的
倍,
为侧棱
上的点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/789c65be-d880-442b-940d-774288b091fb.png?resizew=171)
(1)若__________,求二面角
的大小;
(2)在(1)的条件下,侧棱
上是否存在一点
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
平面
?若存在,求出点
的位置;若不存在,试说明理由.
注:如过选择多个条件分刟解答,拉第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb2e071d4e01107dcf7d95cbb86b415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
如图,四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca8a7f4c3858195912ba8cec1e62580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/789c65be-d880-442b-940d-774288b091fb.png?resizew=171)
(1)若__________,求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9f1e2b86f4eca37c72011d3dffb0c9.png)
(2)在(1)的条件下,侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
注:如过选择多个条件分刟解答,拉第一个解答计分.
您最近一年使用:0次
解答题-证明题
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适中
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名校
【推荐3】如图,四棱锥
中,底面
为平行四边形,
平面
,
是棱PD的中点,且
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/a6832e00-6403-452a-90f9-d13eb53c8c92.png?resizew=161)
(1)求证:
面
;
(2)求二面角
的大小;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3b8822bbb5ba39c90550ac277cfe88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/a6832e00-6403-452a-90f9-d13eb53c8c92.png?resizew=161)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e9ac46aabe38e5ea1a8cb0febc98af.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】如图,在正方体
中,
为平面
的中心.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/1ee695fe-0aca-4c2d-8ef3-c50b6aed425f.png?resizew=159)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafa7168302e524813426a0fa494c86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/1ee695fe-0aca-4c2d-8ef3-c50b6aed425f.png?resizew=159)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d28074ee5af1441242700388b3a9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935b7d21a103a264b6e96ecf82dbe4a.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935b7d21a103a264b6e96ecf82dbe4a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,在四棱锥
中,底面
是边长为
的正方形,
底面
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/e06af038-c0d6-4f82-a5ae-8b0a2ef5f140.png?resizew=169)
(1)求异面直线
与
所成角的大小;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129d17c9a49272d44a0e70346414d12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4317430d5a2b61d9a2a88b73e7d7ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/e06af038-c0d6-4f82-a5ae-8b0a2ef5f140.png?resizew=169)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
您最近一年使用:0次