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1 . 如图,空间四边形
中,平面
平面
,
,且AB=AD,则AD与平面BCD所成的角是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/9a34e877-8dc4-4ce1-bcec-ba34cd7a77e8.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/9a34e877-8dc4-4ce1-bcec-ba34cd7a77e8.png?resizew=127)
A.30° | B.45° | C.60° | D.90° |
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解题方法
2 . 如图,已知圆锥的顶点为
,底面圆
的两条直径分别为
和
,且
,若平面
平面
,则以下结论错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/25adafd5-af79-40be-b111-ed97f84b3f2e.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/a77e3c1c236141d6118429fade0a9b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b66af1efba9c495ea6273cc06b7f328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ab7bd4b7520525ce61881a052c3f04.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/25adafd5-af79-40be-b111-ed97f84b3f2e.png?resizew=164)
A.![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.![]() ![]() |
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3 . 如图,在正方体ABCD﹣A1B1C1D1中,直线A1C与平面ABCD所成角的余弦值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b9882877-70e0-4344-8af4-e920ebe1dbfe.png?resizew=134)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/b9882877-70e0-4344-8af4-e920ebe1dbfe.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 长方体
中,
,
,则直线
与平面ABCD所成角的大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6e8da26cf6a4f1a0556619328c2d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d0e359fec4d6756fae55c2cc1e3b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8facb85fee290850ce7aa741732e0c0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-07-09更新
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5 . 若一个正四棱锥的侧棱和底面边长相等,则该正四棱锥的侧棱和底面所成的角为
A.30° | B.45° | C.60° | D.90° |
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2019-07-07更新
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3卷引用:江苏省镇江市2018-2019学年高一下学期期末数学试题
江苏省镇江市2018-2019学年高一下学期期末数学试题新疆实验中学2018-2019学年高一下学期期末考试数学试题(已下线)8.6.2 直线与平面垂直(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)
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6 . 在四棱锥P-ABCD中,底面ABCD是边长为1的正方形,PA⊥平面ABCD,且PA=
,则PC与平面ABCD所成角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180c9efbc1f04ec3336259832fc9c76b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:【校级联考】福建省平和一中、南靖一中等五校2018-2019学年高一年下学期期中联考数学试题
【校级联考】福建省平和一中、南靖一中等五校2018-2019学年高一年下学期期中联考数学试题浙江省台州市金清高中2019-2020学年高二上学期期中数学试题(已下线)第八章 8.6.2 直线与平面垂直(作业)-【上好课】2020-2021学年高一数学同步备课系列(人教A版2019必修第二册)苏教版(2019) 必修第二册 一课一练 第13章 立体几何初步 13.2 基本图形位置关系 第6课时 直线与平面的位置关系(3)
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7 . 如图,正三棱柱
中,
,
是
的中点,则
与平面
所成角的正弦值等于
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/bd154655-d5c4-42af-bf1a-24ebd9e76bde.png?resizew=120)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede6a60cad0e0b58e1549fda6e085719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13dec981e49b83f9885e986af92ec7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5b6dfff10cb3dc3e06509db56d7b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab7f12f85c4f79214ab856d1e6d5c61.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/bd154655-d5c4-42af-bf1a-24ebd9e76bde.png?resizew=120)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知三棱锥
的侧棱两两垂直,
,
,
为棱
上的动点,
与侧面
所成角为
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c64ba26399dfb1233bea8cf59da2dad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08aa6fd52f3933cbded9ce8c880b4a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 如图,棱长为
的正方体
中,
为
中点,这直线
与平面
所成角的正切值为
![](https://img.xkw.com/dksih/QBM/2018/11/9/2071873370120192/2072023758749696/STEM/8e3e7893b23a42908e5b4c11c12b5304.png?resizew=96)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5563473602e1b17d582a165b7b7b6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2018/11/9/2071873370120192/2072023758749696/STEM/8e3e7893b23a42908e5b4c11c12b5304.png?resizew=96)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 如图,在三棱锥
中,
⊥底面
,
,则直线
与平面
所成角的大小为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/12/c87fa54b-00e4-46ac-887c-1fb72ded2121.png?resizew=112)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587df01a98f499a9f361aafd8c3dac39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/12/c87fa54b-00e4-46ac-887c-1fb72ded2121.png?resizew=112)
A.![]() | B.![]() |
C.![]() | D.![]() |
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