1 . 如图,在长方体ABCD-A1B1C1D1中,AB=2,AD=1,A1A=1,证明直线BC1平行于平面DA1C,并求直线BC1到平面D1AC的距离.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/f7083293-5573-432c-bf91-cd1cccc4b44a.png?resizew=173)
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2 . 如图,在五面体
中,
∥
,
,
,四边形
为平行四边形,
平面
,
.
求:(1)直线
到平面
的距离;
(2)二面角
的平面角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4794f2d40733122dbf35a7dd6cf96131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde6970c8d8999df255dc6afbb27c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147e7c8ba0bbb540a712f6eb2ed6d22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749d779a50900db43279d975df20feff.png)
求:(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41c2d7ae6aaf6d91129ed5221a415a7.png)
(2)二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b0cf5b0d834a512235f509878fc454.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/13/bb88f55f-2f71-48ec-9620-a980981d0bd8.png?resizew=211)
您最近一年使用:0次
2016-12-01更新
|
4049次组卷
|
8卷引用:2011-2012学年河北省唐山一中高二下学期期中文科数学试卷
(已下线)2011-2012学年河北省唐山一中高二下学期期中文科数学试卷人教A版(2019) 选择性必修第一册 第一章 空间向量与立体几何 单元测试北师大版(2019) 选修第一册 突围者 第三章 第四节 课时3 用向量方法研究立体几何中的度量关系(已下线)4.3 用向量方法研究立体几何中的度量关系章节综合测试-空间向量与立体几何(已下线)第一章 空间向量与立体几何(单元提升卷)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)(已下线)模块一 专题2 B 空间向量的应用提升卷 期末终极研习室高二人教A版山东省泰安新泰市第一中学(东校)2023-2024学年高二上学期第一次质量检测数学试题
11-12高二上·广东梅州·期中
3 . 如图,四棱锥
的底面是
,
的矩形,侧面
是等边三角形,且侧面
底面
﹒
(1)证明:侧面
侧面
;
(2)求侧棱
与底面
所成的角;
(3)求直线
与平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(1)证明:侧面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://img.xkw.com/dksih/QBM/2012/5/16/1570855825743872/1570855831330816/STEM/c5855215b8f64eebbf048ae1e004e72c.png?resizew=188)
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4 . 如图,在直三棱柱
中,
,
,
分别为
的中点.
(1)求EF与
所成角的大小;
(2)求直线
到平面DEF的距离.
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb717228e1762d335814a3adc90eae45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694c585822f1c159721fd868ef933a31.png)
(1)求EF与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/20/2082e79a-690c-4b6f-8c65-84f3c75f816c.png?resizew=175)
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5 . 已知
是边长为1的正方形,
分别为
上的点,且
沿
将正方形折成直二面角
.
![](https://img.xkw.com/dksih/QBM/2011/5/5/1570180050968576/1570180056219648/STEM/1ab743b6-44f3-4d1f-98e6-6c9df53de6a2.png?resizew=186)
(1)求证:平面
平面
;
(2)设
点
与平面
间的距离为
,试用
表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe0ea089c1ab5734695a9494a70ee7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab499a125b73e16404b7494ab5c9477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de54921b7079102fd045f63335f05e9.png)
![](https://img.xkw.com/dksih/QBM/2011/5/5/1570180050968576/1570180056219648/STEM/1ab743b6-44f3-4d1f-98e6-6c9df53de6a2.png?resizew=186)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06123e81c41198c76a3335757fac2c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8a20c1fc8a5620db5db3a74eb01201.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b12c4c39fe9a95659d9389338fcd557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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