如图,已知四棱柱
的底面
为平行四边形,四边形
为矩形,平面
平面
为线段
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/d377e24d-25a2-415a-b360-0c01de1be0af.png?resizew=142)
(1)求证:
平面
;
(2)若
,直线
与平面
所成角的正弦值为
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70c3527620adb4fdabefa3ac6201ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d11e19c84255eb0431415c2dec553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a702c324e0c76150540c3d32df802077.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/d377e24d-25a2-415a-b360-0c01de1be0af.png?resizew=142)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58022e20e4bd2a6c25f3f3a2d14fb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83303d3784492506fc44f2b4d6b07bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ade81880cc2979228cb3109adc2b496.png)
2024·全国·模拟预测 查看更多[1]
(已下线)2024年普通高等学校招生全国统一考试数学猜题卷(二)
更新时间:2024-04-09 17:09:30
|
相似题推荐
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】如图,该几何体是由圆柱和三棱锥
组合而成的,四边形
为轴截面,
是圆
的直径,
平面
.
(1)求证:
垂直
所确定的平面.
(2)求该几何体的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed04b01505bbd8a4ac0bc12e46f23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a9efd1901bd29dc04f6a5335b15d9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/24/efb0e42a-0b51-4fb5-b873-3c12f58ff3db.png?resizew=165)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fb188915d2e3d7bfd633fa18221b07.png)
(2)求该几何体的表面积.
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】在四棱锥
中,四边形
为平行四边形,三角形
为等边三角形,已知
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/7/2/2497220293828608/2498419685146624/STEM/9b8a1893-203d-4186-becc-0d1961f01f82.png?resizew=313)
(1)求证:
(2)求直线
与面
所成的角的正弦值.
![](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/745e0525a41fe2e2a7739c75a942290b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545e18836bc7fee22f8f813a6f525d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ee7262d0b5cbbade014e07e7373501.png)
![](https://img.xkw.com/dksih/QBM/2020/7/2/2497220293828608/2498419685146624/STEM/9b8a1893-203d-4186-becc-0d1961f01f82.png?resizew=313)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93380ab8eccc6e6f11bdf19ffc2d4cd0.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐1】如图,在直角梯形ABCD中,AB∥DC,∠BAD=90°,AB=4,AD=2,DC=3,点E在CD上,且DE=2,将△ADE沿AE折起,使得平面ADE⊥平面ABCE,G为AE中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/7e2b4cfc-f4d4-48ec-b5bd-21fcd78288f8.png?resizew=439)
(1)求证:DG⊥平面ABCE;
(2)求四棱锥D-ABCE的体积;
(3)在线段BD上是否存在点P,使得CP∥平面ADE?若存在,求
的值;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/7e2b4cfc-f4d4-48ec-b5bd-21fcd78288f8.png?resizew=439)
(1)求证:DG⊥平面ABCE;
(2)求四棱锥D-ABCE的体积;
(3)在线段BD上是否存在点P,使得CP∥平面ADE?若存在,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747978ec67fee6ee9eb07d02b80987d7.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,三棱锥
中,
为等边三角形,且平面
平面
,
,
,且直线
与平面
所成角为
,
;
(2)求二面角
的余弦值;
(3)求三棱锥
外接球的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa1162d5481e2441fe5bc0d49a576b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2898853a3396f0878af9eac934416d.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐3】在四棱锥
中,底面
是直角梯形,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
,侧面
底面
是等边三角形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/dcb5d1fd-d574-45fa-a437-119248ea4221.png?resizew=168)
(1)求证:
;
(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/ae0b1ac2d24dc88434bc42c3d0cf27ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a9f6ab66d952b4adb71201158aae68.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/dcb5d1fd-d574-45fa-a437-119248ea4221.png?resizew=168)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5d56d8170b764b80a672cd6c861921.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1069d514c3c32aeabd274475ee209ed6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】如图,在四棱锥
中,底面
是平行四边形,
,
,点
在底面
上的射影恰好为
的中点
,点
为
的中点.
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629675861385216/2629751624278016/STEM/6e58e3e64cbd43d59760f77f6bc25f5a.png?resizew=210)
(1)证明:平面
平面
;
(2)求直线
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/13f67a8724a6ad87f99f924a0ac492f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7e4e8c2835c4a880cd4430800e1f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629675861385216/2629751624278016/STEM/6e58e3e64cbd43d59760f77f6bc25f5a.png?resizew=210)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.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2】如图,在四棱锥
中,
平面
,
,
,
,E为PB的中点,_________.从①
,②
平面
这两个条件中选一个,补充在上面问题的横线中,并完成解答.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/520e7052-8af3-4b13-af77-6549a04bc31f.png?resizew=112)
(1)求证:四边形ABCD是直角梯形;
(2)求直线AE与平面PCD所成角的大小.
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/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/52a923784f083b7f4777891afe06b44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1720da6d65e7fa854d98322d3864240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa1162d5481e2441fe5bc0d49a576b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f8b463fcecf0a757f386db56e074d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/520e7052-8af3-4b13-af77-6549a04bc31f.png?resizew=112)
(1)求证:四边形ABCD是直角梯形;
(2)求直线AE与平面PCD所成角的大小.
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
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】如图,已知四棱锥
的底面
是矩形且棱
垂直于其底面.
为棱
上一点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/fce8be28-7ef1-4712-b2cd-924982a09d5a.png?resizew=151)
(1)若
为
中点,证明:
平面
;
(2)若
为
的高,
,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02bd5cfe804460846423e77f72db10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8790b983e978bde2b349ab9601c2d80b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87e1f561c0c9b82cf1002ced5e28cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47bab0dad56a785e19b0b76a87d5780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365822bd3945e6a3e871ca979c84cc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b0de5237c88a9bfffc207bab17191a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/fce8be28-7ef1-4712-b2cd-924982a09d5a.png?resizew=151)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321d9ee3d533e70963957b81d4c57a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365822bd3945e6a3e871ca979c84cc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118dcf2ba4fd9ffd61a17de2670c211c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5c4bb1323baad6b059b5950ce42d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad76cea565f95292dcdfd6b8dc0e73a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a913f14bb3ca3e4d4f1237ce3f792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e4c78e871db537c7d2ff07cadf3f03.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,在三棱柱
中,侧面
是矩形,
,
,
,
,E,F分别为棱
,BC的中点,G为线段CF的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/4580a8a0-2fc6-44f1-a032-02c820b15434.png?resizew=144)
(1)证明:
平面
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ba132ca9dd0d4a050659aef3c9b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404005c9bb408214fe5bafee7507e175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/4580a8a0-2fc6-44f1-a032-02c820b15434.png?resizew=144)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874acc16deb1b13c54d8f9ee2ad09922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770d42343599d3f26f0e0de8d5849f52.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐3】如图,菱形
的中心为
,四边形
为矩形,平面
平面
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4023f83ce8a6eb503c396387dfbd0dd.png)
(1)若
为
的中点,求证:
平面
;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/7f715ebd-7fa2-45cc-9bd3-704bf3576420.png?resizew=204)
(2)若
,求二面角
的余弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/1bdfc423-ca64-4858-85d6-d6879ba0a12d.png?resizew=204)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10f93679abcee21bacd92c3b1552a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fd3eb54b28d8c2f322ea6e32255832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4023f83ce8a6eb503c396387dfbd0dd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1399e7ae0b2decaafc62a5cdffb15522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/7f715ebd-7fa2-45cc-9bd3-704bf3576420.png?resizew=204)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2d865f65952e6b7674073d29163317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907cbb8368c439429946651c7b075baf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/2/1bdfc423-ca64-4858-85d6-d6879ba0a12d.png?resizew=204)
您最近一年使用:0次