解题方法
1 . 如图,在棱长为6的正方体
中,E,F分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/e29c94ce-11ab-41fb-ac2a-2f4fc38e49bd.png?resizew=177)
(1)求点D到平面
的距离;
(2)若平面
与棱
相交于点G,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/e29c94ce-11ab-41fb-ac2a-2f4fc38e49bd.png?resizew=177)
(1)求点D到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bff3ccea5989c60e51e321af3f53f54.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d797d94addf2ec4c37a305f1def37b.png)
您最近一年使用:0次
名校
2 . 如图所示,圆台的上、下底面圆半径分别为
和
,
为圆台的两条不同的母线.
;
(2)截面
与下底面所成的夹角大小为
,且截面截得圆台上底面圆的劣弧
的长度为
,求截面
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c95c0160e73beb94a4a1cbc0168e9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147ce46290b9aeb0092af30b2d3001c7.png)
(2)截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a3d5d669ac76a2ffb07da81d949adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813b03f3d13783ee2cb12a81ce6fd07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
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2024-01-26更新
|
1219次组卷
|
8卷引用:湖南省邵阳市2024届高三第一次联考数学试题
湖南省邵阳市2024届高三第一次联考数学试题(已下线)模块7 空间几何篇 第2讲:立体几何的截面问题【练】2024届高三新改革数学模拟预测训练一(九省联考题型)(已下线)2024年高考数学二轮复习测试卷(新题型,江苏专用)(已下线)第3套-复盘卷(已下线)微考点5-2 新高考新试卷结构立体几何解答题中与旋转体有关的问题(已下线)信息必刷卷01(江苏专用,2024新题型)湖南省长沙市长郡中学2024届高三下学期模拟(一)数学试卷
名校
3 . 如图所示,圆台的上、下底面圆半径分别为
和
为圆台的两条不同的母线.
分别为圆台的上、下底面圆的圆心,且
为等边三角形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/d1ec33ef-6414-439c-8a01-5fe56fdfd595.png?resizew=153)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
;
(2)截面
与下底面所成的夹角大小为
,求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7d791489abcbe5a60c359093981fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cef469b1ee29d124cfd6f62423724cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/d1ec33ef-6414-439c-8a01-5fe56fdfd595.png?resizew=153)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d57c8c293377c6dd5d5aadd5e22b33.png)
您最近一年使用:0次
2024-01-24更新
|
1286次组卷
|
3卷引用:湖南省邵阳市2024届高三第一次联考数学试题
名校
4 . 如图,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/cf6bbcd7-93f0-4c93-9690-813b6617f857.png?resizew=164)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a6b40391f8aa6663f20ea4f96f3f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc438cb8f65c4808454520d11d885d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fd4ce957dc0d1e8740861e8910647f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/cf6bbcd7-93f0-4c93-9690-813b6617f857.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f2eae3483395cc6aca5160c64f83eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a06b68dc88cc22301870ad2819a1a2c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f76b6ac1b8875af7156f3239dae6f7.png)
您最近一年使用:0次
名校
5 . 如图,在三棱柱
中,平面
平
,
,
,
.过
的平面交线段
于点E(不与端点重合),交线段BC于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a7801a73-aa0a-466a-86bd-84c3291a31c3.png?resizew=201)
(1)求证:四边形
为平行四边形;
(2)若F为BC的中点,求直线与
与所成角的
正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002c709e9fee8d477bddfe595cc760f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3c9e7c05de9838c0c5d762720d3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a7801a73-aa0a-466a-86bd-84c3291a31c3.png?resizew=201)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bbb740f8bc13b4be8ca4dc0aef5442.png)
(2)若F为BC的中点,求直线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27039783266a69df2a96ea0c36cbdcd5.png)
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6 . 如图,直四棱柱
中,底面
为等腰梯形,其中
,
,
,
,N为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/51be6784-d6ab-4053-92ee-9b42b259b401.png?resizew=157)
(1)若平面
交侧棱
于点P,求证:
,并求出AP的长度;
(2)求平面
与底面
所成角的余弦值.
![](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/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cad8b2d5a892c557a5bc7650bf4dcb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4771a646e2d9895a2d4e44184ca0c558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/51be6784-d6ab-4053-92ee-9b42b259b401.png?resizew=157)
(1)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27ed8cad5482fe2742ef4aa65d1ddcb.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-11-29更新
|
405次组卷
|
2卷引用:江苏省扬州市扬州中学2024届高三下学期开学检测数学试题
名校
解题方法
7 . 如图所示,多面体是由底面为
的直四棱柱被截面
所截而得到的,该直四棱柱的底面为菱形,其中
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/fa37abea-6c0c-4b50-ba26-933196123560.png?resizew=119)
(1)证明四边形
是平行四边形;并求
的长;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ada1cd3d6b1b2b559468778412ea0e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/fa37abea-6c0c-4b50-ba26-933196123560.png?resizew=119)
(1)证明四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
您最近一年使用:0次
名校
解题方法
8 . 如图正方体
的棱长为2,E是棱
的中点,过
的平面与棱
相交于点F.
(1)求证:F是
的中点;
(2)求点D到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/7a361594-95fa-43fe-b243-c60ec9d41799.png?resizew=161)
(1)求证:F是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
(2)求点D到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
您最近一年使用:0次
2023-11-24更新
|
889次组卷
|
4卷引用:考点11 空间距离 2024届高考数学考点总动员【练】
(已下线)考点11 空间距离 2024届高考数学考点总动员【练】重庆市巴蜀中学2023-2024学年高二上学期期中考试数学试卷四川省成都市棠湖外国语学校2023-2024学年高二上学期期末模拟质量检测数学试题北京市石景山区2023-2024学年高二上学期期末考试数学试卷
2023·全国·模拟预测
解题方法
9 . 如图,在四棱锥
中,
,
,
是等边三角形,且
,
,
,G为
的重心.
(1)证明:
平面PCD.
(2)若
,求点C到平面PAE的距离.
![](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/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea8abb4cab55296ca7fc63de0af0aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/e74daa91-4337-4533-ba69-f3ae0839a5a1.png?resizew=157)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a227bcc7ee91e914c0c6bec05f82b0e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21bd7043d1e9d645183a84067144288.png)
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2023·全国·模拟预测
解题方法
10 . 如图,在多面体ABCDEFG中,侧面ABGF是矩形,侧面BCDG与底面EFGD是直角梯形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/670128d1-e258-4b4d-88c4-1f71087b9a39.png?resizew=178)
(1)求证:四边形ACDE是平行四边形;
(2)若
,二面角
的正切值为
,求多面体ABCDEFG的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a393ae246f050a315afd4ff4398d72d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/670128d1-e258-4b4d-88c4-1f71087b9a39.png?resizew=178)
(1)求证:四边形ACDE是平行四边形;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade75b6380eafafa609d94205b35a134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次