1 . 已知
,
,
是空间中不共面的向量,若
,
,
.
(1)若
三点共线,求
的值;
(2)若
四点共面,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6022390512962b15eb8d1f489976290a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cff820e10c8532ca92235000718fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20611aba94c5143032630b839569bf80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28855a0db693584aabac1df99dfade3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
您最近一年使用:0次
名校
2 . 已知空间三点
,
,
.
(1)求以
和
为邻边的平行四边形的面积;
(2)试判别点
与点
,
,
是否共面?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e53315204d7e67a86c3a7ea33f057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cdb21dcc14a72a18175edc045621cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3323cca16a3da9fed267e0245e515bc8.png)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
(2)试判别点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d572b6fc1eeb2029b1807e7ffeb963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3 . 已知空间向量
,
,
.
(1)若向量
与向量
垂直,求x的值;
(2)在(1)的条件下判断向量
,
,
是否共面?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef5ddddabc3bd62f1f5561df866f4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba5fb8d5433ae8f9ae586254bb43e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bf9270e5dbaec7b9486f45368770b5.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0c233484ce028819ebd0c86b75a92b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)在(1)的条件下判断向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
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解题方法
4 . 如图,已知四棱锥
的底面是菱形,对角线
,
交于点
,
,
,
,
底面
,
,
分别为侧棱
,
的中点,点
在
上且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/791c1de8-e2aa-4482-908d-a347e465884c.png?resizew=159)
(1)求证:
,
,
,
四点共面;
(2)求直线
与平面
所成角的正弦值;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3dfcd8aff269dd5aba398816490c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba1df94176a1f769c7a0a12bf357fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637331a6bcf269d7d3487ee4cfb536f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed30b73beeccafd4ec854237b33e1e2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/791c1de8-e2aa-4482-908d-a347e465884c.png?resizew=159)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
您最近一年使用:0次
2024-02-14更新
|
427次组卷
|
3卷引用:河南省济源市2023-2024学年高二上学期期末质量调研数学试题
河南省济源市2023-2024学年高二上学期期末质量调研数学试题(已下线)第3章 空间向量及其应用(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)江苏省连云港市东海高级中学2023-2024学年高二下学期第一次月考数学试卷
解题方法
5 . 如图,在四棱锥
中,
平面
,其中
,
为棱
的中点,点
满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/7/8fc5bc16-4369-4a21-88dc-a0a1220ce402.png?resizew=182)
(1)证明:向量
与向量
共面;
(2)若
,求平面
与平面
夹角的余弦值.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e9ec60be41b5a474c5a585c8315577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15120d7841b36be2453a05a9447d0de5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/7/8fc5bc16-4369-4a21-88dc-a0a1220ce402.png?resizew=182)
(1)证明:向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377962502ccf0435ed3bc89ec4fe594d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/865a1023126b0e2c80373dadff44f7f5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264e8a3d4d0a1352ebded04610184f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
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解题方法
6 . 如图,在长方体
中,
,点E在
上,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/b43983df-6e1a-4090-8752-f5aae30706ab.png?resizew=177)
(1)求直线
与
所成角
的余弦值.
(2)在图中画出面
与面
的交线并求出该交线在长方体内部的长度.
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd33e6492dc76e5e844b3ad6c139a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/b43983df-6e1a-4090-8752-f5aae30706ab.png?resizew=177)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dc61d5de97b5a40be925b278ae494c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)在图中画出面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f233b375753611ffa7a93c2c12ef5e28.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f233b375753611ffa7a93c2c12ef5e28.png)
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解题方法
7 . 如图,在直三棱柱
中,
,
分别为
,
的中点.
,求
的值;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9ad711b25c36dae0c2a2cedff9954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c45fb1bd3936fe41d53ea3ac772bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabe764f05300ac83c7d16b685d27af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79d86dcb456ab7ae39a37c70b372848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
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2023-12-24更新
|
772次组卷
|
7卷引用:贵州省六盘水市水城区2023-2024学年高二上学期12月质量监测数学试题
贵州省六盘水市水城区2023-2024学年高二上学期12月质量监测数学试题河北省邢台市质检联盟2023-2024学年高二上学期第四次月考(12月)数学试题吉林省部分名校2023-2024学年高二上学期期末联合考试数学试题河南省郑州市第十八中学2023-2024学年高二上学期期末模拟数学试题(六)新疆兵团地州学校2023-2024学年高二上学期期末联考数学试题(已下线)高二数学开学摸底考 01(人教B版2019选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷广东省东莞市东华高级中学2024届高三一模数学试题
名校
解题方法
8 . 已知空间三点
,
,
,
.
(1)求以
,
为邻边的平行四边形的面积;
(2)若D点在平面
上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc332e0792bd16486a61c1658ccfecf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00932ea296bbcfc79a61e53e4d64b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb309e7396189da4645425f2ea697055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21a7ba16850aa3aff47d53ab5a7d45.png)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若D点在平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
名校
9 . 已知向量
.
(1)求
;
(2)若向量
与向量
共面,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8feb8d57eb5b58f06419b8a71c67894.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596a3ee5d8473fc6619ea7730e13325b.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
10 . 如图,四棱锥
的底面为正方形,
平面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/0eed2f4d-8e6e-4ac5-8bb0-52294b84a057.png?resizew=158)
(1)证明:
四点共面;
(2)求点
到平面
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/a963043aba5c00325328a5ebd28a44bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e7b9c89af8b9e765a103b0ca317b04.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/0eed2f4d-8e6e-4ac5-8bb0-52294b84a057.png?resizew=158)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55e4738f225d13bb46a4fd762ee9fba.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588690c4a218025937357ffab8d63c7a.png)
您最近一年使用:0次