解题方法
1 . 如图,已知正四棱锥V-ABCD,底面面积为16,一条侧棱长为
.求斜高VM与底面所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cbb271baca5cd015f30e07d9eebfd8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1d1222a4-9f0b-4635-88ad-72cc0225eaf3.png?resizew=188)
您最近一年使用:0次
解题方法
2 . 如图,已知
是边长为1的正方形,正方形
绕
旋转形成一个几何体.正方形
绕
逆时针旋转
至
,求线段
与平面
所成的角.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2022/9/14/3066354478522368/3066901446828032/STEM/078bb808342c469ea21dbd1552c9138b.png?resizew=189)
您最近一年使用:0次
3 . 如图所示,已知菱形
和矩形
所在平面互相垂直,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/5114eebd-0d33-4333-8d91-2838fc08561d.png?resizew=222)
(1)证明:平面
平面
;
(2)设
中点为
,求直线
与底面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26eba7e649fade39fd2d0b6ef4ac5ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6370d6c626bdabf1fc694501ee6c714f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/5114eebd-0d33-4333-8d91-2838fc08561d.png?resizew=222)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ce82a4c37365f2d4dea2c4ad2e3288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
4 . 如图,在长方体
中,
,点E在棱
上运动.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/8/ae4abcb4-4599-44c5-9ad4-c7f55edb8487.png?resizew=223)
(1)证明:
;
(2)当E与A重合时,求直线
与平面
所成角的大小(用反三角函数值表示);
(3)
等于何值时,二面角
的大小为
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803de786beb875e4a0f13fb1171c86eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/8/ae4abcb4-4599-44c5-9ad4-c7f55edb8487.png?resizew=223)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af2fef79a35d44f9e11f9d8c5b3f08b.png)
(2)当E与A重合时,求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec353880a1e680a37ecce3b6fb4896f3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f7c5a38ee674e24a83426a17906532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8f3a8b0608ec011ad95c522fd2ea4d.png)
您最近一年使用:0次
2022-07-06更新
|
184次组卷
|
2卷引用:上海奉贤区致远高级中学2021-2022学年高一下学期期末数学试题
5 . 如图,已知正三棱柱
中,
.D是棱
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0156343d-31cc-4d83-b088-6f451f269f64.png?resizew=151)
(1)若
,求直线BD与平面ABC所成角的大小;
(2)若D是
中点,求点A到平面BCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0156343d-31cc-4d83-b088-6f451f269f64.png?resizew=151)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c37515c01f1b2560e7b5ba92ede076d.png)
(2)若D是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
您最近一年使用:0次
6 . 在矩形ABCD中,
,
,沿BD折叠后C点在平面ABD上的射影M恰好落在AD上,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/43cdb398-e5d0-45a7-9afd-ef200e06c1c8.png?resizew=155)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
(2)求CD与平面ABD所成角的余弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/43cdb398-e5d0-45a7-9afd-ef200e06c1c8.png?resizew=155)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
(2)求CD与平面ABD所成角的余弦值
您最近一年使用:0次
名校
解题方法
7 . 如图,某钢性“钉”由四条线段组成,其结构能使它任意抛至水平面后,总有一端所在的直线竖直向上,并记组成该“钉”的四条等长的线段公共点为O,钉尖为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/30/4e67a086-fda1-4f7f-85cc-2d17d2b6d685.png?resizew=157)
(1)当
在同一水平面内时,求
与平面
所成角的大小(结果用反三角函数值表示);
(2)若该“钉”的三个端尖所确定的三角形的面积为
,要用某种线性材料复制100枚这种“钉”(损耗忽略不计),共需要该种材料多少厘米?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cebb466d8642424bd583e8843ffe39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/30/4e67a086-fda1-4f7f-85cc-2d17d2b6d685.png?resizew=157)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6fa157b4f65f3a9aa1f7f82de02e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa6e3afb5196decc6f087cbfe40cf8a.png)
(2)若该“钉”的三个端尖所确定的三角形的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612e7bffc681730ce39108b7cd8b8db3.png)
您最近一年使用:0次
2022-06-28更新
|
228次组卷
|
2卷引用:上海市上海中学2021-2022学年高一下学期期末阶段练习数学试题
8 . 如图,四棱锥
的底面是矩形,
底面
,
,
,四棱锥
的体积为
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/9a047b33-4898-4109-96ca-4c18832dcb25.png?resizew=284)
(1)求异面直线
与
所成的角;
(2)求直线
与平面
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d74ef32584586ec4857acd0a3f4fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/9a047b33-4898-4109-96ca-4c18832dcb25.png?resizew=284)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
9 . 如图,直角边长为
的等腰直角三角形
及其内部绕
边旋转一周,形成一个圆锥.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/4172f43c-76e0-4024-b27d-3088a7e84ba0.png?resizew=195)
(1)求该圆锥的侧面积
;
(2)三角形
绕
逆时针旋转
到
,
为线段
中点,求
与平面
所成角的大小.(结果用反三角函数值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/4172f43c-76e0-4024-b27d-3088a7e84ba0.png?resizew=195)
(1)求该圆锥的侧面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef671ff46a372d5351b8c2f9eb26b48.png)
您最近一年使用:0次
2022-06-23更新
|
418次组卷
|
6卷引用:上海市黄浦区2022届高考二模数学试题
上海市黄浦区2022届高考二模数学试题第11章 简单几何体(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(沪教版2020必修第三册)(已下线)2023年上海高考数学模拟卷01(已下线)第3章 空间向量及其应用(基础、常考、易错、压轴)分类专项训练(原卷版)(已下线)第20讲 空间向量与立体几何-3(已下线)专题11空间向量与立体几何必考题型分类训练-2
10 . 三棱锥
及其三视图中的主视图和左视图如下图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/19/6202fb91-6125-407a-80fe-1770d81b9f02.png?resizew=377)
(1)求直线
与平面
所成角;
(2)求点
到平面
距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/19/6202fb91-6125-407a-80fe-1770d81b9f02.png?resizew=377)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次