名校
1 . 如图,在四棱柱
中,侧棱
平面
,
,
,
,
,E为棱
的中点,M为棱
的中点.
;
(2)求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ecf072589c0f901d92f6bda111d841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633bf2de732ae51fc06ef3d559915da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4339a40ae9d1947ec3a4b3e2fa3a16cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594bbb40a3dddaaf9ca6bb4c222b99e1.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2 . 设O为坐标原点,
.
(1)求
;
(2)若点P为直线OC上一动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28888c465339fd81a7661274281b3c3a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5119fc2e9ffbc6e75c14c3486c1eac9.png)
(2)若点P为直线OC上一动点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
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解题方法
3 . 如图所示,平行六面体
中,
.
表示向量
,并求
;
(2)求直线
与直线
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083e5ad385e6a0801801073f1cafadb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68873c59a21b0cd408cdf2b47d51096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccec46f7c4da972fef6e940158628242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33e3af60b6aa94f39bbd04470d2e404.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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解题方法
4 . 如图所示,已知空间四边形
的每条边和对角线长都等于1,点
,
,
分别是
的中点.
;
(2)求证:
;
(3)求异面直线
和
所成角的余弦值.
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868a68302dfab497e705816c2b1c9708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643493af30a14550f145f5394efed45f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb023313112cd8a6068d013fdcc9a193.png)
(3)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
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5 . 已知空间三点
、
、
.
(1)若向量
与
平行,且
,求
的坐标;
(2)求以
、
为邻边的平行四边形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8fed31bb8bce52a52ba7d4556b002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41668fed0c8e47dfb21b7e99a02b7b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce3cb9c4eb350b7f179af1172ec9192.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c398ef888cab14a0805a46f59150e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ff1bcd52b7bc7887cbcd2e76cb9124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c398ef888cab14a0805a46f59150e1.png)
(2)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
您最近一年使用:0次
2024-04-29更新
|
254次组卷
|
3卷引用:江苏省扬州中学2023-2024学年高二下学期4月期中考试数学试题
6 . 如图,平行六面体
的底面是菱形,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/a3f6bd4a-a27e-4f0c-aba0-f4a25f2f1b54.png?resizew=186)
(1)求
的长.
(2)求异面直线
与
所成的角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a6ee51af9b52152488b1772fa190fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462b1c65b1b233ab98a90c164c0968c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/a3f6bd4a-a27e-4f0c-aba0-f4a25f2f1b54.png?resizew=186)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabe764f05300ac83c7d16b685d27af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2eb89294b31ffdd2680b4361e8994d7.png)
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解题方法
7 . 已知
.
(1)求
在
上的投影向量;
(2)若四边形
是平行四边形,求顶点D的坐标;
(3)若点
,求点P到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3608d74323e208b980076027386fdd0c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6586e95e1095f1159d82b927781e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2024-03-29更新
|
179次组卷
|
2卷引用:浙江省杭州市第四中学下沙校区2023-2024学年高二上学期期中数学试题
名校
解题方法
8 . 如图,在平行六面体
中,以顶点
为端点的三条棱长都是1,且它们彼此的夹角都是
为
与
的交点.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc2fa2d5a551c6621de515395893eea.png)
,
(1)用
表示
;
(2)求
;
(3)求此平行六面体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0138a25a4799dba47c61524de9dadc83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc2fa2d5a551c6621de515395893eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf99794cad6b57a9b0ab180f1bae9db4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/16/8a64d053-e57a-4d5a-aad1-618363dad455.png?resizew=159)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a046d7060dc843c78af806ee24f556.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739766b53c2bdf0e2adebe95d2f3b383.png)
(3)求此平行六面体的体积.
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解题方法
9 . 在如图所示的试验装置中,四边形框架
为正方形,
为矩形,
,且它们所在的平面互相垂直,
为对角线
的中点,活动弹子
在正方形对角线
上移动.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/e6385f05-9cbc-44ff-88ac-f078bebf1c40.png?resizew=163)
(1)若
,求
的值;
(2)当
为
的中点时,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20acf562ef2fbe5f10e6e1a2d3f0fdd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/e6385f05-9cbc-44ff-88ac-f078bebf1c40.png?resizew=163)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65cb17d27559c1179bce031cbeeb0636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7c9055d30aa0bcd1a1519efb2d4b1f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82cb18c10820d927ecd53326f58aaf8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5a94f9063a71581f409e47ebaf602.png)
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10 . 如图,在平行六面体
中,底面
是边长为
的正方形,
,
,
,
,
,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/bccf7b94-b556-46b0-9924-bd101e1bbffb.png?resizew=175)
(1)用空间的一组基
表示
,
;
(2)求
,
的值.
![](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/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecbca919bff5a39a99dd7f867dd61f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962ddfa6a45e5588279c2a93f142924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/bccf7b94-b556-46b0-9924-bd101e1bbffb.png?resizew=175)
(1)用空间的一组基
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5401d7f4a297c8b097e74bdebaaa8570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61202553a50520bd294788335789ac3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38dfb3f3d83fa111eb89009789e88b1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec970106aaa464503c646b309167b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31bfc148417ee8cc4dacf5a29098acd.png)
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