已知
,
分别是正方形
边
,
的中点,
交
于
,
垂直于
所在平面.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/4e7a71bf-da55-4afc-8e35-e8f206b5536a.png?resizew=179)
(1)求证:
平面
.
(2)若
,
,求点
到平面
的距离.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5f736b1195fef1d2d300168a795f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/4e7a71bf-da55-4afc-8e35-e8f206b5536a.png?resizew=179)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baf055ad3a33843f01bb66a0605bcde.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50398f83e870dbbdcb4af18acae12a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
2022高二上·全国·专题练习 查看更多[4]
(已下线)1.4.3 空间向量的应用--距离问题(已下线)7.6 空间向量求空间距离(精练)沪教版(2020) 必修第三册 高效课堂 第十章 单元测试江西省彭泽县第二高级中学2022-2023学年高二下学期5月期中考试数学试题
更新时间:2022-07-17 13:25:00
|
相似题推荐
解答题-问答题
|
适中
(0.65)
真题
【推荐1】如图所示,在四面体
中,已知
,
,
,
.
是线段
上一点,
,点
在线段
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/f1f2db48-f577-4379-8734-c16804eca09d.png?resizew=210)
(1)证明:
平面
;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c3880fba16c518d22149942cf39119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a3024d177b7a5880f882fa580b38db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25356d6a49579c92cab3445a6bc2324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71548e935b2c69398771eab8a9a227a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4a6a1e70241d600bc6c104313eac61.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/f1f2db48-f577-4379-8734-c16804eca09d.png?resizew=210)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6261790c66cc71ee3898afabad0c09f4.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5df4b7ea378e4463e0d7846a9f783e.png)
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解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】如图,在四棱锥
中,底面
矩形,
平面
,
,垂足为
,
,垂足为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/af684993-b9bd-49d3-a81e-1b864bc76a60.png?resizew=188)
(1)求证:
平面
;
(2)若
,求二面角
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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3672e603d06c9186edd20cfc662d8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4a6a1e70241d600bc6c104313eac61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/af684993-b9bd-49d3-a81e-1b864bc76a60.png?resizew=188)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4305ae561fa522b41a9b5c466e0f714b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebce46aeb97373353179e5669365fa4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b49b2ce903a1d22a2215d5fc9813b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ceb3c582b074d63bd7f8538b18bdb5.png)
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(0.65)
名校
【推荐3】如图,在三棱柱
中,
平面ABC,D,E,F分别为
,AC,
的中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/18/10aa192c-2b71-4d70-a7bf-16c280aa14f1.png?resizew=169)
(1)求证:AC⊥平面BEF;
(2)求点D与平面
的距离;
(3)求二面角
的正弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1efa2b0018617bd579875185dafca39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9d5815dc775d5a5810fff0b016a8d5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/18/10aa192c-2b71-4d70-a7bf-16c280aa14f1.png?resizew=169)
(1)求证:AC⊥平面BEF;
(2)求点D与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba99277e38f8d9f817a9d7db8198219.png)
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59b1f7689bff6644bfdeb9e36feb163.png)
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解答题-问答题
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适中
(0.65)
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【推荐1】如图,已知点
在圆柱
的底面圆
上,
,圆
的直径
,圆柱的高
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/c3ea9161-cf8e-46a7-b1a3-038d51686da4.png?resizew=179)
(1)求圆柱的表面积和三棱锥
的体积;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfffb77e9656a22d5951d9f1c6a7c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207fdd4b8487a5c6fdfcf1e677732385.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/c3ea9161-cf8e-46a7-b1a3-038d51686da4.png?resizew=179)
(1)求圆柱的表面积和三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5495a154d006c33979813b86924dc0f9.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f19904e64008030ae31ea15a1aa4d74.png)
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(0.65)
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解题方法
【推荐2】已知空间中三点
、
、
.
(1)当
与
的夹角为钝角时,求k的范围;
(2)求原点O到平面ABC的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5f406df4ba9e837399ed5321f4aae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffdb8b12052e9779cc91977a1043022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e285301fbc8b6ae34d254dddf17304.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6620ccd675ea07c141e39aed6e15403c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a47b27e420312285db61af76fd5e87.png)
(2)求原点O到平面ABC的距离.
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解答题-证明题
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适中
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【推荐3】已知
是边长为4的等边三角形,E,F分别是
,
的中点,将
沿着
翻折,得到四棱锥
,平面
平面
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/2022/10/11/3085333712592896/3085941979553792/STEM/56175adc97eb43a5905a5ab665d78563.png?resizew=416)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值;
(3)求点C到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7965ed6c78b80d5414036fe354dc0691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004dd8ad9e5a200b3869ebfc59c2446d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28d6477c85c5a4ac410a884e92fbe53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd2222fcf0637b2cbb9309927151e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6097e56f0e6cb49dfea1b5ba6805c61.png)
![](https://img.xkw.com/dksih/QBM/2022/10/11/3085333712592896/3085941979553792/STEM/56175adc97eb43a5905a5ab665d78563.png?resizew=416)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23976db53f05b3d5d791c4d736a7184d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28d6477c85c5a4ac410a884e92fbe53.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
(3)求点C到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
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