名校
1 . 设集合
{
为两个非零向量可能的夹角},集合
{
为两条异面直线可能的夹角},则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65efd7cc077f9728b0ca770d8c1f36ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a1db61ca5983e25040e76017e00e95.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图,圆锥的顶点为P,底面圆心为
.点A,B,M是底面圆周上三个不同的点,且
.已知
,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/57b742eb-c33b-4e24-bdb4-68f686fb012f.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36255578eee7d5980cd1f14fec45d77a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/57b742eb-c33b-4e24-bdb4-68f686fb012f.png?resizew=142)
A.三棱锥![]() ![]() |
B.当![]() ![]() ![]() |
C.存在点M,使得直线![]() ![]() |
D.当直线![]() ![]() ![]() ![]() |
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解题方法
3 . 正方形
的边长为2,点
分别是
的中点,如图所示,将正方形沿
折起,使得平面
与平面
垂直,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/ab762670-defa-44ac-8a05-11bdbdec4eef.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6241f9ef86cd0a902cbadaf336767dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3163efd660bbfdd899374f9f23e32537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d5a164bf56f8fb92527ad78bc10ccf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/ab762670-defa-44ac-8a05-11bdbdec4eef.png?resizew=172)
A.![]() |
B.异面直线![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.三棱锥![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
4 . 佛山是全国著名的工业城市,这里生产的部分产品通过水路运输到全国乃至全世界.下图1是佛山一个货运码头的吊机,其作用是完成集装箱的装船或卸船.为了研究其结构的稳固性,工程师把一个吊机的部分结构(图1中圈住部分)画成图2的空间几何体
.若四边形
是矩形,
,
,
,
,
,
,则直线
与
所成角的余弦值为______ .
![](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/666734423f1818d76a74f171b7420b68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b92a72e2b717ef70ea4d5c64f8173a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7c3bffbe68a0b70f084d7be59c4029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f121646549116bba24e250f3bec6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/990ee89d-5319-47f4-81c3-c83b2e32082b.png?resizew=319)
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解题方法
5 . 底面为正方形,顶点在底面的射影为底面的中心的棱锥叫正四棱锥,由正四棱锥截得的棱台叫正四棱台.已知正四棱台
的上底
和下底
分别是边长为
、
的正方形,高(上下底面的距离)为4,四条侧棱
、
、
、
都相等且延长线交于一点
,则以下说法正确的有( )
①侧棱
与下底面边长
所在直线是异面直线,且所成角的正切值为
;
②该正四棱台的斜高(侧面等腰梯形的高)为
;
③平面
与平面
相交,设交线为
,则
,且
;
④该正四棱台的外接球的表面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
②该正四棱台的斜高(侧面等腰梯形的高)为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
③平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b76843381162198a14f2faf5e2518b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b959950252b1e0b6ea8b67cdf72b740e.png)
④该正四棱台的外接球的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5226edfda3a65a5c87938ddace14e3aa.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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解题方法
6 . 如图,几何体
为一个圆柱和圆锥的组合体,圆锥的底面和圆柱的一个底面重合,圆锥的顶点为
,圆柱的上、下底面的圆心分别为
,
,几何体
的外接球包含圆锥的顶点与底面圆周,以及圆柱的底面圆周.
点为圆
上任意一点,
为圆
的一条弦,已知
,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/1a38734f-a45f-49c2-bce9-f4483ef0dcd6.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89405f1dcbb445afa56ba2a57faafcba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/1a38734f-a45f-49c2-bce9-f4483ef0dcd6.png?resizew=150)
A.该组合体外接球表面积为![]() |
B.存在![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.记直线![]() ![]() ![]() ![]() ![]() ![]() |
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7 . 已知椭圆
的左、右焦点分别为
和
,经过点
且斜率为k的直线l交椭圆
于B,C两点,其中点C在第二象限.如图所示,将
的上半部分(半椭圆)沿着长轴翻折使得点C翻折至点A且二面角
为直二面角.设三角形
和三角形
的周长分别为
和
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/ba44a91d-f312-406b-b629-1d8e0330619f.png?resizew=335)
(1)证明:
;
(2)若
,求异面直线
和
所成角的大小;
(3)若
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f639240bf9ab7a9a68e779cd51ab2641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5465c4f86cbc6cc2c9ba7adbc2060b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045a830b449a9b95a51688c63d80ba15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef419f0740dae5db5cc51675bc51afb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1256c57833e0d2d6b58e7fa20576eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94cde8f1ae6799f3fe64ed059b485fc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/ba44a91d-f312-406b-b629-1d8e0330619f.png?resizew=335)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800ce9c8dfb28051661e98015f4041c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f247c2d094e3a2b5df9178d5f55fbf39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a065ed0c5b57b6be8f3be52249c33f.png)
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解题方法
8 . 已知正方体
棱长为2,P为空间中一点.下列论述正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987629184868352/2990742436241408/STEM/1371ed48-7ece-4ffd-8816-1b8794be7d0b.png?resizew=231)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987629184868352/2990742436241408/STEM/1371ed48-7ece-4ffd-8816-1b8794be7d0b.png?resizew=231)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2022-05-30更新
|
3532次组卷
|
8卷引用:江西省丰城市第九中学(日新班)2021-2022学年高二下学期期末检测数学试题
江西省丰城市第九中学(日新班)2021-2022学年高二下学期期末检测数学试题(已下线)高二上学期期末【压轴60题考点专练】(选修一+选修二)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)山东省青岛第五十八中学2023-2024学年高二上学期9月月考检测数学试题山东省百师联盟2022届高三下学期5月模拟数学试题(已下线)专题09 空间向量与立体几何福建省福州市屏东中学2023届高三上学期开学考试数学试题(已下线)模块八 专题6 以立体几何为背景的压轴小题(已下线)第五篇 向量与几何 专题18 空间点线面问题 微点2 空间点线面问题综合训练
9 . 如图,在四棱柱
中,底面是边长为 2 的正方形,
,点 P 是直线
上一动点,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902104804646912/2903033760292864/STEM/f346a6de-a7a6-444b-bee3-4dc825068690.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff33c22809a2b69c3c6578c9eb1f14e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384aab337f3f62abe8bf148eee83c192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cfad1ba71a78d8f415335cde2f8c52.png)
![](https://img.xkw.com/dksih/QBM/2022/1/25/2902104804646912/2903033760292864/STEM/f346a6de-a7a6-444b-bee3-4dc825068690.png?resizew=159)
A.若棱柱 ![]() ![]() |
B.若棱柱![]() ![]() ![]() |
C.无论 ![]() ![]() |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 如图甲,在直角三角形
中,已知
,
,
,D,E分别是
的中点.将
沿
折起,使点A到达点
的位置,且
,连接
,得到如图乙所示的四棱锥![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2792f6f1fde407c93201c0f3fad39d52.png)
,M为线段
上一点.
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881711704768512/2883062489751552/STEM/fec3dcb7-0cff-40c0-b9e1-a756f6dfb4bb.png?resizew=286)
(1)证明:平面
平面
;
(2)过B,C,M三点的平面与线段A'E相交于点N,从下列三个条件中选择一个作为已知条件,求直线DN与平面A'BC所成角的正弦值.
①
;②直线
与
所成角的大小为
;③三棱锥
的体积是三棱锥
体积的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a22740bd1ad5f5979e4579cb177d0.png)
注:如果选择多个条件分别解答,按第一个解答计分.
![](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/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4772895af07cae75fc85a48507952c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea7b7e2f8b77c8a8518198511b458233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2792f6f1fde407c93201c0f3fad39d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1333acc72211e3ddb9a0f8c726ce8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a21897349d3d7c94419692106887153.png)
![](https://img.xkw.com/dksih/QBM/2021/12/27/2881711704768512/2883062489751552/STEM/fec3dcb7-0cff-40c0-b9e1-a756f6dfb4bb.png?resizew=286)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789069cf57bd1059f5e0f9ac61d933b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1333acc72211e3ddb9a0f8c726ce8a5.png)
(2)过B,C,M三点的平面与线段A'E相交于点N,从下列三个条件中选择一个作为已知条件,求直线DN与平面A'BC所成角的正弦值.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7f8da1f66714eba7f2867a19d02479.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee48b4d6b9ee347b2ba6305f2fdc2bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04aab7c8fe102e94d113cad242921a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a22740bd1ad5f5979e4579cb177d0.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
2021-12-29更新
|
938次组卷
|
3卷引用:陕西省西安中学2021-2022学年高二上学期期末理科数学试题