名校
解题方法
1 . 已知正方体
的棱长为2,点
为平面
内一动点,则下列说法正确的是( )
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.若点![]() ![]() ![]() ![]() |
B.若点![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
2 . 如图,正方体
的棱长为2,E为
的中点,点M在
上.
平面
.
的中点;
(2)求直线EM与平面MCD所成角的大小,及点E到平面MCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0285afe567ca0b32f0ccafc30167cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
(2)求直线EM与平面MCD所成角的大小,及点E到平面MCD的距离.
您最近一年使用:0次
2024-06-09更新
|
210次组卷
|
2卷引用:浙江省杭州师范大学附属中学2024届高三下学期高考适应性考试数学试卷
解题方法
3 . 已知正方体
的棱长为1,点
满足
,其中
,
,则( )
![](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/b2b1e5828ba34bfa9c839182baf52509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6612afffccf731637a818d5732e5ba.png)
A.当![]() ![]() ![]() |
B.过点![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
4 . 空间点
,则点
到直线
的距离
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5747ac8b2f5da0799dcfcc0bf55b762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-29更新
|
578次组卷
|
2卷引用:浙江省“七彩阳光”新高考研究联盟2023-2024学年高二下学期期中联考数学试题
名校
解题方法
5 . 平面
两两平行,且
与
的距离均为
.已知正方体
的棱长为1,且
.
(1)求
;
(2)求
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68bdeb716a658088cb15f94d07d73409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1898d6fb68464c6dddd3018fb8c2b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38e27a2c2e52975148a50327af6af85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b994e0999f58a2de25e5c40f28e2d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba108e4c48fba30f729b52d8ca95553.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
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2024-05-10更新
|
947次组卷
|
3卷引用:浙江省杭州学军中学2024届高三下学期4月适应性测试数学试题
名校
解题方法
6 . 在空间直角坐标系中,O为坐标原点,若
,
,
,则点
到平面
的距离为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1377695af30e6d28e3f942614114a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003c774007e02c8113997ad86f199cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4253626de21d00aa5a8e4e5e170e0789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,正方体
的棱长为
是线段
上的两个动点,且
,
是
的中点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b684d2e78a0eb1b406913f2730e1d226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.三棱锥![]() |
B.![]() ![]() |
C.在线段![]() ![]() ![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 如图,已知正方体
的棱长为2,E,F,G分别为
,
,
的中点,以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
A.三棱锥![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.二面角![]() ![]() |
您最近一年使用:0次
名校
9 . 已知直三棱柱
中,
且
,直线
与底面
所成角的正弦值为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
A.线段![]() ![]() ![]() |
B.线段![]() ![]() ![]() ![]() |
C.直三棱柱![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
2024-04-12更新
|
1097次组卷
|
4卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
名校
10 . 已知四棱锥
的底面
是直角梯形,
,
,
,
,
为
的中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/cf59aee0-4588-4582-adf6-0aed79514a88.png?resizew=156)
(1)证明:平面
平面
;
(2)若
与平面
所成的角为
,过点
作平面
的垂线,垂足为
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ea9d92e5c258a50af1e461c7388894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaef9e92d148afff22761d5e027d3ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/cf59aee0-4588-4582-adf6-0aed79514a88.png?resizew=156)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596919118348e4fb08f03b713e5f9c9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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