解题方法
1 . 如图,在棱长为2的正方体
中,E,F分别是
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/3499a8cb-0c7d-4f3c-b715-fe78a4195a1d.png?resizew=166)
(1)求
到直线
的距离;
(2)求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/3499a8cb-0c7d-4f3c-b715-fe78a4195a1d.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dc61d5de97b5a40be925b278ae494c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d47e5be88e89d0d042c56d2d6942b0.png)
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解题方法
2 . 如图,长方体
中,
是侧面
的中心,
是底面
的中心,点
在线段
上运动,则下面选项正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/e3d99e15-bcd8-4f9d-ad81-6f257c5c6274.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c7fd3ac969abd27229aa91608faeb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/e3d99e15-bcd8-4f9d-ad81-6f257c5c6274.png?resizew=194)
A.四面体![]() |
B.点![]() ![]() ![]() |
C.异面直线![]() ![]() ![]() |
D.存在点![]() ![]() ![]() ![]() |
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2023-11-19更新
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2卷引用:辽宁省高级中学2023-2024学年高二上学期期中数学试题
名校
3 . 已知直线
经过
,点
,求点
到
的距离__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ed6fdedba6350d595d1b122afd1f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679a41feca4cd9130fc7c61e681bdc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f6af94b1855d82021b8a96725a4b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
4 . 如图,在长方体
中,
,
,E为AB中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/4aecab72-ca7f-4d8c-856f-c2efe2e59c81.png?resizew=162)
(1)求直线
与
所成角的余弦值;
(2)求点B到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d64fc81c857b124268609a8beb77b6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/4aecab72-ca7f-4d8c-856f-c2efe2e59c81.png?resizew=162)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
(2)求点B到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f233b375753611ffa7a93c2c12ef5e28.png)
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5 . 已知直线
经过
两点,则点
到
的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa5312f3c15096e0ff083e0989f1b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f3281082d329578907589ad09fa632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图,四棱锥
的底面
是菱形,
,
,
平面
,且
,E是
的中点,则
到平面
的距离为( )
![](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/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.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/00bab2c27eac56fffa4cd7dbe1dcdf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926584088b939200d88e64318f2d4e6c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/25/91c08e94-f5a0-4302-94bd-8e9958bb3682.png?resizew=180)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-23更新
|
597次组卷
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3卷引用:辽宁省鞍山市2023-2024学年高二上学期期中数学试题
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解题方法
7 . 如图,在菱形ABCD中,
,
,沿对角线BD将
折起,使点A,C之间的距离为
,若P,Q分别为线段BD,CA上的动点,当
,
时,点D到直线PQ的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db99494753dbb4588ded0394a9e18607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7284003d7791f70b5a58c36cc24971b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd15e009c60f0ba8ab664d576985857.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/e961d5b1-1831-4b59-8c3b-2e01ea8425f1.png?resizew=339)
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解题方法
8 . 如图,在直四棱柱
中,底面
是菱形,且
,
,
,
分别为
,
,
的中点,
.
(1)求直线
与
所成角的余弦值;
(2)求点
到平面
的距离.
![](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/f945a69cf7e8213e50622125cde652f5.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4339a40ae9d1947ec3a4b3e2fa3a16cd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/50d99a4e-76f6-4751-b448-4e407a132ef6.png?resizew=171)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408871c2b71ef88d6f556ce53cf73cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
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2023-10-13更新
|
321次组卷
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7卷引用:辽宁省部分高中2023-2024学年高二上学期10月月考数学试题
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解题方法
9 . 已知
为平面
的一个法向量,点
为
内的一点,则点
到平面
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014825a5a6542b8538bda917fb0ba628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f832041816027c2cc22a1180d4d5161f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040c1a09f0833f85163731c814fcd00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-13更新
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396次组卷
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2卷引用:辽宁省大连市第八中学2023-2024学年高二上学期期中考试数学试题
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解题方法
10 . 如图,在底面是矩形的四棱锥
中,
平面ABCD,
,
,E是PD的中点.
(1)求证:
平面PAD;
(2)求二面角
的余弦值:
(3)求B点到平面EAC的距离.
![](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/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/29/becd220d-3405-4609-9570-cb3fb058dd19.png?resizew=152)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f4096ff62b4f29932cd8c6eef661a3.png)
(3)求B点到平面EAC的距离.
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2023-10-11更新
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2卷引用:辽宁省沈阳市第十五中学2023-2024学年高二上学期第一次阶段测试数学试题