名校
解题方法
1 . 如图,在四棱锥
中,
平面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/17ab903f-6528-4917-ac64-7aa70dce5f03.png?resizew=156)
(1)求证:
平面
;
(2)若
,且直线
与
所成角为
,求点E到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f9045e6cd575bbe76c89ef6ef852fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb3d1070981fed5ca65a34bb2282e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689b95a2eeb841dd3a0a3a6dfa3be8fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9d26aa29b3abf4889d939987d5f091.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/17ab903f-6528-4917-ac64-7aa70dce5f03.png?resizew=156)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c34b18525831f3eda7bb90be0199b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2024-01-09更新
|
887次组卷
|
4卷引用:四川省南充市2024届高三一模数学(文)试题
四川省南充市2024届高三一模数学(文)试题(已下线)专题13 空间向量的应用10种常见考法归类(3)湖南省长沙市明德中学2023-2024学年高二上学期期末考试数学试卷(已下线)重难点12 立体几何必考经典解答题全归类【九大题型】
名校
解题方法
2 . 如图,在等腰梯形
中,
//
,
,四边形
为矩形,平面
平面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/72f4ab63-9435-4871-810c-5b724f9813f4.png?resizew=159)
(1)求证:
平面
;
(2)求点
到平面
的距离;
(3)若点
在线段
上运动,设平面
与平面
的夹角为
,试求
的取值范围.
![](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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbc56d42b003cbcb1fbe5c50e55b26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0db1f4f666a9be9ede868065a50997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ecd88c2639c31455aad87769700b2d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/72f4ab63-9435-4871-810c-5b724f9813f4.png?resizew=159)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbc56d42b003cbcb1fbe5c50e55b26b.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20af148464904e21f4374cc8fb886fba.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf2f0df53aa68c9c334165034788166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2db1674add0f4a1a24f5ed893b1c5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
您最近一年使用:0次
解题方法
3 . 如图,在六面体ABCDEFG中,平面
平面DEFG,
平面DEFC,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/5afe9350-e169-4663-a2f4-dc751838b950.png?resizew=152)
(1)求证:
平面ACGD;
(2)若
,求点D到平面GFBC的距离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617edf7f259f5955db7cad814af85281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65537aeb8c9defd235a2f4d7c8e16ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f383b759b5207e29698e93ed86216a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b908115f31ecb90df4aa1e5bb0dd67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/5afe9350-e169-4663-a2f4-dc751838b950.png?resizew=152)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d32e76582bf550593fdef53e081225.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
您最近一年使用:0次