名校
解题方法
1 . 已知
中,
,
,
是边
上的动点.若
平面
,
,且
与面
所成角的正弦值的最大值为
,则三棱锥
的外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364d6c88726d8c3bb8ed297057332bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-13更新
|
1055次组卷
|
5卷引用:浙江省宁波市九校2022-2023学年高三上学期期末联考数学试题
浙江省宁波市九校2022-2023学年高三上学期期末联考数学试题 第八章立体几何初步章节验收测评卷-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)专题强化三 多面体与球有关的内切、外接问题-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)专题11 与球有关的切接问题综合(2) - 期中期末考点大串讲江苏省常州市第一中学2024届高三下学期期初检测数学试题
名校
解题方法
2 . 如图,在三棱锥
中,侧面
底面BCD,
,
,
,
,直线AC与底面BCD所成角的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/1b90acaa-4022-4c96-b59a-bddae8c85b61.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5441d73845911db1993bf903c4d8700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45fb9a3d61c62c86cde849e519e6bb8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/1b90acaa-4022-4c96-b59a-bddae8c85b61.png?resizew=152)
A.30° | B.45° | C.60° | D.90° |
您最近一年使用:0次
2022-11-22更新
|
659次组卷
|
7卷引用:浙江省2017年4月普通高中学业水平考试数学试题
浙江省2017年4月普通高中学业水平考试数学试题河北省磁县滏滨中学2017-2018学年高二下学期期末考试数学(理)试题安徽省合肥九中2020-2021学年高二上学期第一次月考数学试题(已下线)考点50 用综合法求角与距离-备战2022年高考数学一轮复习考点帮(新高考地区专用)【学科网名师堂】甘肃省兰州市西北师范大学附属中学2022-2023学年高二上学期期中数学试题(已下线)第32讲 线面角的几何求法(已下线)专题10 空间角与空间距离的综合(1)-期中期末考点大串讲
名校
3 . 如图,在三棱台
中,下底面
是直角三角形,且
,侧面
与
都是直角梯形,且
,若异面直线AC与
所成角为
,则BC与平面
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/fa13513a-e2dc-4cd9-9cf8-86f6a9bf4a3d.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4005b51362b46cbf65b4768fffbf492e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/fa13513a-e2dc-4cd9-9cf8-86f6a9bf4a3d.png?resizew=171)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-11更新
|
574次组卷
|
3卷引用:浙江省杭州学军中学2022-2023学年高二上学期期中模拟数学试题
4 . 如图,在矩形
中,
,
,
、
分别为边
、
的中点,沿
将
折起,点
折至
处(
与
不重合),若
,
分别为线段
、
的中点,则在
折起过程中,下列选项正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/9/9/3062777936781312/3066195086860288/STEM/d2315b43b23d40649b97fcc4761edba1.png?resizew=259)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df21b7b7a47318ef2bb069450c39f1cd.png)
![](https://img.xkw.com/dksih/QBM/2022/9/9/3062777936781312/3066195086860288/STEM/d2315b43b23d40649b97fcc4761edba1.png?resizew=259)
A.![]() ![]() |
B.不能同时做到![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-09-14更新
|
639次组卷
|
9卷引用:浙江省金华十校2019-2020学年高二上学期期末考试数学试题
浙江省金华十校2019-2020学年高二上学期期末考试数学试题浙江省宁波市金兰教育合作组织2020-2021学年高二上学期期中联考数学试题(已下线)理科数学-2020年高考押题预测卷03(新课标Ⅰ卷)《2020年高考押题预测卷》广东省佛山市第一中学2020-2021学年高二(重点班)上学期第一次段考数学试题上海市洋泾中学2020-2021学年高二下学期3月月考数学试题上海市洋泾中学2021-2022学年高二上学期10月月考数学试题(已下线)第01讲 空间直线与平面(核心考点讲与练)(2)(已下线)数学(上海B卷)(已下线)10.4 平面与平面平行(第1课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020必修第三册)
解题方法
5 . 如图,在矩形ABCD中,
,
,现将
沿着对角线BD翻折成
,并且满足
,则直线
与平面BCD所成最大角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/0927674c-04af-4027-ae17-0f27f55282da.png?resizew=305)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4217f4375caaeef4d4221143d5f6bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea25ef38e4afa8f75ffd0842890289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c489e730dac118d639219bfa479ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/0927674c-04af-4027-ae17-0f27f55282da.png?resizew=305)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 长方体的一条体对角线与它一个顶点处的三个面所成的角分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 如图,已知四边形
,
是以
为斜边的等腰直角三角形,
为等边三角形,
,将
沿对角线
翻折到
在翻折的过程中,下列结论中不正确 的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/8d8790af-4598-46e1-98f7-558eea40ef44.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/8d8790af-4598-46e1-98f7-558eea40ef44.png?resizew=168)
A.![]() | B.![]() ![]() |
C.直线![]() ![]() ![]() | D.四面体![]() ![]() |
您最近一年使用:0次
2022-06-13更新
|
2362次组卷
|
6卷引用:浙江省长兴、余杭、缙云三校2022届高三下学期5月联考数学试题
浙江省长兴、余杭、缙云三校2022届高三下学期5月联考数学试题天津市南开中学2021-2022学年高一下学期期末数学试题(已下线)专题28 空间几何体的结构特征、表面积与体积-3(已下线)第24练 空间直线、平面的平行与垂直(已下线)专题07 立体几何小题常考全归类(精讲精练)-2(已下线)8.6 空间直线、平面的垂直(分层练习)-2022-2023学年高一数学同步精品课堂(人教A版2019必修第二册)
解题方法
8 . 如图,矩形
所在平面与正方形
所在平面互相垂直,
,点P在线段
上,给出下列命题:
![](https://img.xkw.com/dksih/QBM/2022/6/6/2995545683542016/2995732122427392/STEM/3286bc02-8d99-45f8-93f1-b9ebda403b7c.png?resizew=200)
①存在点P,使得直线
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
②存在点P,使得直线
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
③直线
与平面
所成角的正弦值的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7aec9f50619eb57d9a94fe60051cff.png)
④三棱锥
的外接球被平面
所截取的截面面积是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d334f97afe11c9c990ca0d8e34ba64.png)
其中所有真命题的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853dc8f15044a245ba3ed9b8ddf849c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/2022/6/6/2995545683542016/2995732122427392/STEM/3286bc02-8d99-45f8-93f1-b9ebda403b7c.png?resizew=200)
①存在点P,使得直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c99cda5a272bbe32b28575fa51b9f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
②存在点P,使得直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b301c74bfd4824215e12ce4504cfec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7aec9f50619eb57d9a94fe60051cff.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178906e90bafd73e0ef9f89814855d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d334f97afe11c9c990ca0d8e34ba64.png)
其中所有真命题的序号是( )
A.①③ | B.①④ | C.②④ | D.①③④ |
您最近一年使用:0次
名校
解题方法
9 . 如图,已知正四棱锥
底面边长为2,侧棱长为4,
为侧棱
中点,则直线
与底面
所成角的正弦值为( )
![](https://img.xkw.com/dksih/QBM/2022/5/27/2988485037981696/2990613432934400/STEM/2cfb6bbe-89ab-4890-b285-3ef6b93f12ff.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2022/5/27/2988485037981696/2990613432934400/STEM/2cfb6bbe-89ab-4890-b285-3ef6b93f12ff.png?resizew=166)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 在正方体
中,
是线段
(不含端点)上的点,记直线
与直线
成角为
,直线
与平面
所成角为
,二面角
的平面角为
,则( )
![](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/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70682f6196e6c1a08eb48da73e8919ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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