1 . 如图,在直三棱柱
中,
,
,
是
的中点,则直线
与平面
所成角的正弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/4b6739b5-3ac7-4f53-a9cc-d2ca8bf27542.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bffa825c5e2c744723b0c9ccbdfda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/4b6739b5-3ac7-4f53-a9cc-d2ca8bf27542.png?resizew=199)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 在三棱锥
中,
底面
,
,
,
,
,则AD与平面BCD所成角的正弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d2530e7023b2345c651e8f53629ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb15541fa53381c9130217ccac69f97.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 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.![]() |
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名校
4 . 如图,正方形
的边长为
为
的中点,将
沿
向上翻折到
,连接
,在翻折过程中,下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/63216c18-674e-4edc-a03d-93154bbd88d5.png?resizew=241)
①四棱锥
的体积最大值为
②.
中点
的轨迹长度为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7714098fd2c6e705c4fa9937bbfc1883.png)
③
与平面
所成角的正弦值之比为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
④三棱锥
的外接球半径有最小值
,没有最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba964c27f118895f13672321aebe5f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad09a769a75b107390b9eeccc929f761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe40405cd7bd60d69dd535d6da85c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e7344dca1e40bf072371ddd5640111.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/63216c18-674e-4edc-a03d-93154bbd88d5.png?resizew=241)
①四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f713ea2a48a99e828d7ff3d876c8ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7714098fd2c6e705c4fa9937bbfc1883.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/620da7d1d2f1de7c421cacbbfc7e4c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627b17348cc1dfbc6df9ddc84c520eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
A.①③ | B.②③ | C.①③④ | D.①②③ |
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解题方法
5 . 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.![]() |
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6 . 在长方体
中,
,
,
是线段
上的一动点,如下的四个命题中,
(1)
平面
;(2)
与平面
所成角的正切值的最大值是
;
(3)
的最小值
;(4)以
为球心,
为半径的球面与侧面
的交线长是
.
真命题共有几个( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24579dca7ff1542ae019fc36110dddbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57132b0bd38c035fec010ee3be1bc8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138e0045398b0f40258ae51abe8b6f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63c1f30aa78aada181a0923b6c1c69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b54387f870ae37f7951b253665d64f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
真命题共有几个( )
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 如图,棱长为1的正方体
中,
为线段
上的动点,则下列结论中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/bfd7656f-abfd-4335-bd86-7f8047b859a9.png?resizew=172)
①平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36118a9e86f87ae75f554f8a3fcdb39d.png)
②
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
③
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2679dd29db749b3bc8a407793a0828.png)
④
与平面
所成角正弦值的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f911cf6124dc2521e02b114bb6c9e1.png)
⑤三棱锥
外接球体积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998b456c6884c6f5fc8cd4c73c7f07f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/bfd7656f-abfd-4335-bd86-7f8047b859a9.png?resizew=172)
①平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc3141b0ee5994a18e725bbd8a79d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36118a9e86f87ae75f554f8a3fcdb39d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6913da03b6e87d163d17c1dc34295c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814a0d93a9cafb77e63a82cd9b67a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2679dd29db749b3bc8a407793a0828.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6a51a168f6a3c308fcfcede6406aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f911cf6124dc2521e02b114bb6c9e1.png)
⑤三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3242f7e6a180150c11b2af1f216cf9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998b456c6884c6f5fc8cd4c73c7f07f1.png)
A.2 | B.3 | C.4 | D.5 |
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名校
解题方法
8 . 如图,在三棱锥
中,
,且
,则
与底面
所成角的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/cb18082f-db4a-469f-9410-33b5a9a28df5.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124224f97296bb8ecbea00e5120202c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8e9ec412ea0355e4e5cd06c60e5fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/29/cb18082f-db4a-469f-9410-33b5a9a28df5.png?resizew=171)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 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![]() ![]() |
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2022-06-13更新
|
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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
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10 . 如图,在三棱台
中,
平面
,
,
,
,则
与平面
所成的角为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/14/3ffdc0e8-bb26-4dc0-bfc9-878a37d9b820.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bec7357e3cd98a0815c1cdf2c7441ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/14/3ffdc0e8-bb26-4dc0-bfc9-878a37d9b820.png?resizew=176)
A.![]() | B.![]() | C.![]() | D.![]() |
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9卷引用:2022年普通高等学校招生全国统一考试模拟试题(全国乙卷A)理科数学试题
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