1 . 如图,在四棱锥
中,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/f8e34830-3e17-4bbe-b057-6a90c440da6e.png?resizew=163)
(1)证明:平面
平面
;
(2)若
,
,且四棱锥
的体积为
,求
与平面
所成的线面角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89a4e5c5d9453a94a31ae6a33d1f153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/f8e34830-3e17-4bbe-b057-6a90c440da6e.png?resizew=163)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652e17c25238a446ab3e6b0b3e4efeab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f67538eedbdf54a1bcaff4394230e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-04-13更新
|
2971次组卷
|
8卷引用:上海市奉贤区2023届高三二模数学试题
解题方法
2 . 如图,在直角
中,
,斜边
,
是
中点,现将直角
以直角边
为轴旋转一周得到一个圆锥.点
为圆锥底面圆周上一点,且
.
(2)求直线
与平面
所成的角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991c8373be20b4325ba779e4dfdc8b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cb551de43a9c1967e3f36f79480be6.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa3a310c1f8a5af35dc3328d874e18e.png)
您最近一年使用:0次
2023-01-11更新
|
586次组卷
|
5卷引用:上海市浦东新区2022-2023学年高二上学期期末数学试题
上海市浦东新区2022-2023学年高二上学期期末数学试题(已下线)8.6.2直线与平面垂直的判定定理(第1课时)(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)13.2.3 直线和平面的位置关系(1)(已下线)专题10 空间角与空间距离的综合(1)-期中期末考点大串讲(已下线)上海市四校(复兴高级中学、松江二中、奉贤中学、金山中学)2024届高三下学期3月联考数学试题变式题17-21
解题方法
3 . 在直三棱柱
中,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/557b9f31-09a7-4977-86d3-b9258964561a.png?resizew=161)
(1)求四棱锥
的体积V;
(2)求直线
与平面
所成角的大小;
(3)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96a6b20a35af7755e5d90789ea862da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/557b9f31-09a7-4977-86d3-b9258964561a.png?resizew=161)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d0727de4c16b53b4bb6ab370afde6c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(3)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
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4 . 设有底面半径为1的圆柱
,
为圆柱的母线.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/08f8a697-390d-450f-ab4b-59fbba76c343.png?resizew=130)
(1)若
,设
为
的中点,求直线
与圆柱上底面所成角;
(2)若过
的轴截面为正方形,求圆柱
的侧面积和体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/08f8a697-390d-450f-ab4b-59fbba76c343.png?resizew=130)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.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/3c21b1fea7d5458f764b29a11297ed83.png)
(2)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
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5 . 已知圆锥的底面半径为3,沿该圆锥的母线把侧面展开后可得到圆心角为π的扇形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3e2bc6fd-dcd3-4f31-83d4-ceef96803cc5.png?resizew=117)
(1)求该圆锥的高;
(2)求圆锥的母线与底面所成角的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3e2bc6fd-dcd3-4f31-83d4-ceef96803cc5.png?resizew=117)
(1)求该圆锥的高;
(2)求圆锥的母线与底面所成角的大小.
您最近一年使用:0次
名校
6 . 在三棱锥
中,
底面
,
,
,
,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/eb13ff7c-f56a-45f3-9c4e-333a76f92d79.png?resizew=155)
(1)证明:
;
(2)求
与平面
所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9915fb075192de0c7157a4787675254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/eb13ff7c-f56a-45f3-9c4e-333a76f92d79.png?resizew=155)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712f7375b4ede5f75c0d81870c0f86af.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
2022-10-13更新
|
563次组卷
|
5卷引用:广东省深圳市龙岗区德琳学校2023届高三上学期第二次月考数学试题
7 . 如图,在四棱锥
中,底面
为矩形,
平面
,E为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/8/31/3056505926647808/3065510018088960/STEM/85509ed4c9e04547872bb0a1d8a354ed.png?resizew=237)
(1)证明:
平面
;
(2)设
,三棱锥
的体积为
,求
与平面
所成角的正弦值.
![](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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2022/8/31/3056505926647808/3065510018088960/STEM/85509ed4c9e04547872bb0a1d8a354ed.png?resizew=237)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30067b7b236d17af8a462f96a58d11bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1412048bf1422752f89049f5521095a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2022-09-13更新
|
726次组卷
|
3卷引用:广西南宁市2022-2023学年高二上学期开学教学质量调研数学试题
广西南宁市2022-2023学年高二上学期开学教学质量调研数学试题(已下线)第04讲 空间直线、平面的垂直 (高频考点—精练)甘肃省平凉市第二中学2022-2023学年高二上学期期末考试(延考)数学试题
8 . 如图长方体
中,
,延长
到M,N,使
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/c0ebe2c7-9880-4530-bafa-c5f2f7673375.png?resizew=223)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
平面
;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8a6a32feb8c1680f775edcdeb2650c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fa8bd3792adb4f75697357808cd50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db09d56d5a85f364f9d3a8dc92adfc1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/c0ebe2c7-9880-4530-bafa-c5f2f7673375.png?resizew=223)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1002426d5f463984c3a8eee6c24624.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1002426d5f463984c3a8eee6c24624.png)
您最近一年使用:0次
9 . 如图1,在直角梯形ABCD中,
,
,
,
,E在AB上,且
为边长为2的等边三角形.将
沿DE折起,使得点A到点P的位置,平面
平面BCDE,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/24/4fdb590d-732c-43c5-80d9-2e3e758ec35b.png?resizew=304)
(1)若F为PC的中点,证明
平面PDE;
(2)证明:
;
(3)求直线BP与平面DCBE所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac48b9ac8efbf41d6ab5242d247bd89.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/24/4fdb590d-732c-43c5-80d9-2e3e758ec35b.png?resizew=304)
(1)若F为PC的中点,证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d888c0b616792a2c41ff180de99fbb.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
(3)求直线BP与平面DCBE所成角的大小.
您最近一年使用:0次
10 . 如图,在直三棱柱
中,
,且
,
,
,
是棱
的中点,
是棱
上的点,满足
.
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025835179589632/3026888124522496/STEM/7a892ba0c1dc4292b7d5202c2dcff261.png?resizew=145)
(1)证明:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022365ed188bd800e0b8a2b4ec1e2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e840e386b2870205de3c7a21f97668e4.png)
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025835179589632/3026888124522496/STEM/7a892ba0c1dc4292b7d5202c2dcff261.png?resizew=145)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657dffbd3623b705f871878fbd9df57e.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd06851d747f8ccf046bc807b2523e65.png)
您最近一年使用:0次