解题方法
1 . 几何中常用
表示
的测度,当
为曲线、平面图形和空间几何体时,
分别表示其长度、面积和体积.
是边长为4的正三角形,
为
内部的动点(含边界),在空间中,到点
的距离为1的点的轨迹为
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe37c2a81276baca0f6987cb017e6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe37c2a81276baca0f6987cb017e6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe37c2a81276baca0f6987cb017e6a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 在三棱锥
中,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83f1380b498ad78ea4649c6b698032b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/2ddb5a1a-6ce1-46bf-9ae6-0f91c5cccae6.png?resizew=145)
A.三棱锥![]() ![]() |
B.三棱锥![]() ![]() |
C.直线![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() |
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解题方法
3 . 在棱长为2的正方体
中,动点
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/ac6b545127bd51036a5a7b0d3cd5b320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() |
D.有且仅有两个点![]() ![]() |
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2023-07-08更新
|
421次组卷
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3卷引用:广东省佛山市普通高中2022-2023学年高一下学期期末数学试题
4 . 在三棱锥
中,
,
,设三棱锥
的体积为
,直线
与平面
所成的角为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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5 . 如图;正方体
的棱长为2,
是侧面
上的一个动点(含边界);点
在棱
上;则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aca256a2888582d7691ce62453a49bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ecac2dad4cffdd971fd23deacff3fc.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2023-07-05更新
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1051次组卷
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3卷引用:重庆市巴蜀中学校2022-2023学年高一下学期期末数学试题
名校
解题方法
6 . 已知异面直线
相互垂直,点
分别是
上的点,且
,
,动点
分别位于直线
上,直线
与直线
所成角为
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e2c6628207cd278ad238fbd22235da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eddc8f2ec8daf5df532d5f2d368f959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc6058c5ccad415e93468855faefb7c.png)
A.![]() |
B.若连接点![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() |
D.若连接点![]() ![]() ![]() |
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解题方法
7 . 若正四棱柱
的底面棱长为4,侧棱长为3,且
为棱
的靠近点
的三等分点,点
在正方形
的边界及其内部运动,且满足
与底面
的所成角
,则下列结论正确的是( )
![](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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.png)
A.点![]() ![]() |
B.有且仅有一个点![]() ![]() |
C.四面体![]() ![]() |
D.线段![]() ![]() |
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8 . 已知正方体
的棱长为3,动点
在
内,满足
,则点
的轨迹长度为______ .
![](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/c510b85dfbca0e3ab0744655d77e8c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7fb2101339a027f922603d08b0a351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2023-07-01更新
|
901次组卷
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5卷引用:湖北省武汉市5G联合体2022-2023学年高一下学期期末联考数学试题
湖北省武汉市5G联合体2022-2023学年高一下学期期末联考数学试题(已下线)专题突破卷21 立体几何的轨迹问题(已下线)重难点突破04 立体几何中的轨迹问题(六大题型)(已下线)专题3.7 立体中的轨迹和截面问题-重难点突破及混淆易错规避(人教A版2019必修第二册)浙江省余姚中学2023-2024学年高一下学期期中考试数学试题
名校
解题方法
9 . 已知正方体
的棱长为2,E,F分别是棱
,
的中点,动点P在正方形
包括边界内运动,若
面
,则线段
的长度范围是( )
![](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/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c49036a80d4ce30770ba36958838b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-06-26更新
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886次组卷
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4卷引用:湖北省2023-2024学年高二上学期期末考试冲刺模拟数学试题(05)
湖北省2023-2024学年高二上学期期末考试冲刺模拟数学试题(05)河南省开封市杞县高中2022-2023学年高一下学期第三次月考数学试题江西省吉安市第一中学2022-2023学年高二上学期第一次段考数学试题(已下线)专题19 平面与平面平行-《重难点题型·高分突破》(人教A版2019必修第二册)
解题方法
10 . 如图,若正方体
的棱长为1,M是侧面
(含边界)上的一个动点,P是
的中点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/e3ccf932-c132-47e4-8583-08f2698ee974.png?resizew=158)
A.三棱锥![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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