21-22高一上·浙江·期末
名校
解题方法
1 . 如图,正方体
的棱长为2,点
为底面
的中心,点
在侧面
的边界及其内部运动.若
,则
面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93445126af2787c798f2274ef59b8d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec2128a422ecc40f12498fc8b6b2868.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/7fa4d3b2-625c-4b0a-927c-b97a68c4ff23.png?resizew=160)
您最近一年使用:0次
2021-11-11更新
|
288次组卷
|
8卷引用:北京市育英中学2021届高三3月考数学试题
北京市育英中学2021届高三3月考数学试题北京市海淀区中国人民大学附属中学2021-2022学年高二上学期期中练习数学试题北京市第一七一中学2021-2022学年高二上学期数学期中调研试题(已下线)【新东方】【2021.4.27】【宁波】【高一上】【高中数学】【00119】(已下线)【新东方】【2021.5.25】【NB】【高二上】【高中数学】【NB00085】(已下线)专题4.4 立体几何中最值问题-玩转压轴题,进军满分之2021高考数学选择题填空题苏教版(2019) 必修第二册 过关斩将 第13章 13.2.3 直线与平面的位置关系 第2课时 直线与平面垂直3.2 空间向量运算的坐标表示及应用 同步练习-2022-2023学年高二上学期数学北师大版(2019)选择性必修第一册
名校
解题方法
2 . 如图,棱长为2的正方体
中,
是棱
的中点,点
在正方体的表面及其内部运动,且
.
![](https://img.xkw.com/dksih/QBM/2021/11/4/2844301980360704/2848850635489280/STEM/60b9a045b8084c3dac83291fc68c8210.png?resizew=218)
则(1)所有满足条件的点
构成的图形的面积为__________ ;
(2)
的最小值为___________ .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1a02e1fdb44f67e88ddba6763ef99.png)
![](https://img.xkw.com/dksih/QBM/2021/11/4/2844301980360704/2848850635489280/STEM/60b9a045b8084c3dac83291fc68c8210.png?resizew=218)
则(1)所有满足条件的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
您最近一年使用:0次
2021-11-11更新
|
318次组卷
|
3卷引用:北京市中国人民大学附属中学2021-2022学年高二上学期期中数学试题
名校
3 . 如图,在梯形ABCD中,AB∥CD,∠ABC=90°,AB=2,BC=CD=1,点E为AB中点,将△ADE沿直线DE向上折起到△A′DE,记二面角A﹣DE﹣A′的平面角为θ,且θ∈(0,π).给出下列结论:
![](https://img.xkw.com/dksih/QBM/2021/10/15/2830057722388480/2836116049895424/STEM/54f7bf8a239e4666a879a63c4e7eebf2.png?resizew=239)
①任意时刻都有DE⊥A'B;
②存在某个位置,使得AA'⊥DB;
③点D到直线A′B的距离随着θ的增大而增大;
④当θ
时,AD与平面A′DB所成角的正弦值为
.
其中所有正确结论的序号是______ .
![](https://img.xkw.com/dksih/QBM/2021/10/15/2830057722388480/2836116049895424/STEM/54f7bf8a239e4666a879a63c4e7eebf2.png?resizew=239)
①任意时刻都有DE⊥A'B;
②存在某个位置,使得AA'⊥DB;
③点D到直线A′B的距离随着θ的增大而增大;
④当θ
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894eb4e624079ad1d9aa1a5b30a38ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
其中所有正确结论的序号是
您最近一年使用:0次
名校
4 . 如图,在正方体ABCD﹣A1B1C1D1中,点P在线段B1C上运动,则正确结论是________ .
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828628154507264/2834745262407680/STEM/d8c37d59-d3cf-47de-81a3-39b9880037d5.png?resizew=256)
①直线BD1⊥平面A1C1D
②直线AP∥平面A1C1D
③三棱锥P﹣A1C1D的体积为定值
④异面直线AP与A1D所成角的取值范围是[
,
]
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828628154507264/2834745262407680/STEM/d8c37d59-d3cf-47de-81a3-39b9880037d5.png?resizew=256)
①直线BD1⊥平面A1C1D
②直线AP∥平面A1C1D
③三棱锥P﹣A1C1D的体积为定值
④异面直线AP与A1D所成角的取值范围是[
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
您最近一年使用:0次
名校
解题方法
5 . 设
,
是两条不同的直线,
,
,
是三个不同的平面.有下列四个命题:
①若
,
,则
;
②若
,
,
;
③若
,
,
,则
;
④若
,
,
,则
.
其中正确命题的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f157205cb5cb4a538b09d989f2d9ae95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc01d7aa51bf4f95c4b12ae9dcb7eb4c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59b1a01a6da42ff2a41e5b91ea301ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35a45cfcdfbda18b089ce6698ccdbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82e5d28e2e5a4790e94db2daa6a07c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
其中正确命题的序号是
您最近一年使用:0次
20-21高一·全国·课后作业
名校
解题方法
6 . 如图,梯形ABCD中,AD∥BC,AD=AB=1,AD⊥AB,∠BCD=45°,将△ABD沿对角线BD折起,设折起后点A的位置为A′,且平面A′BD⊥平面BCD,则下列四个命题中正确的是__ .
;③CD⊥平面A′BD;④平面A′BD⊥平面A′DC.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,
为正方体,下面结论中正确的是___ .(填写所有正确结论的编号)
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828421454585856/2828718671978496/STEM/fcd636fd36e049ea83d2dcc4a938776a.png?resizew=239)
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
平面
;
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
平面
;
③
与底面
所成角的正切值是
;
④过点
与异面直线
与
成
角的直线有
条.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828421454585856/2828718671978496/STEM/fcd636fd36e049ea83d2dcc4a938776a.png?resizew=239)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
④过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次
2021-10-13更新
|
535次组卷
|
11卷引用:北京市中国人民大学附属中学朝阳学校2021-2022学年高二10月月考数学试题
北京市中国人民大学附属中学朝阳学校2021-2022学年高二10月月考数学试题河北省张家口市2018-2019学年高一下学期数学试题山西省山西大学附中2019-2020学年高二上学期10月模块诊断数学试题广西壮族自治区田阳高中2020-2021学年高二9月月考数学(理)试题广东省江门市第二中学2020-2021学年高二上学期第一次月考数学试题(已下线)【新东方】杭州新东方高中数学试卷330浙江省宁波市北仑中学2020-2021学年高二上学期期中数学试题辽宁省大连市红旗高级中学2020-2021学年高二上学期期中数学试题四川省广安市广安代市中学校2021-2022学年高二11月月考数学(文)试题上海市徐汇区南洋模范中学2021-2022学年高二上学期期中数学试题(已下线)第07讲 线面角(核心考点讲与练)-2022-2023学年高二数学考试满分全攻略(沪教版2020必修第三册)
名校
解题方法
8 . 如图,正方体
的棱长为2,点
为底面
的中心,点
在侧面
的边界及其内部运动,且
.给出下列结论:
;
②三棱锥
的体积为定值;
③点P在线段CE上(E为BB1的中点);
④
面积的最大值为2.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93445126af2787c798f2274ef59b8d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a90b6295d016361521536b2782e550.png)
②三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d95cd970fa5f9ce1027aa72e906f477.png)
③点P在线段CE上(E为BB1的中点);
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec2128a422ecc40f12498fc8b6b2868.png)
其中所有正确结论的序号是
您最近一年使用:0次
2021-08-05更新
|
632次组卷
|
4卷引用:北京市丰台区2020-2021学年高一下学期期末数学试题
9 . 如图1,在
△
中,
,
,
,
,
分别是
,
上的点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
,
,将△
沿
折起,使
到
,得到四棱锥
,如图2.在翻折过程中,有下列结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/f6eb2b3e-0e94-4ba7-8aa7-9a110ad72230.png?resizew=256)
①
平面
恒成立;
②若
是
的中点,
是
的中点,总有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
;
③异面直线
与
所成的角为定值;
④三棱锥
体积的最大值为
.
其中正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7eccdc904f71a7a6a02134f47e08072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16a2e7a3504575ae0129516710ec938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.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/d8cf5ceb2fd2673fc86bf93c02be562a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/f6eb2b3e-0e94-4ba7-8aa7-9a110ad72230.png?resizew=256)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4525d2a5cfdd4c82f62c28177d6cf9.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657dffbd3623b705f871878fbd9df57e.png)
③异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb0b2ee77d53ce59cbc2b17693a2261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
其中正确结论的序号为
您最近一年使用:0次
2021-08-01更新
|
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3卷引用:北京市房山区2020-2021学年高一下学期期末数学试题
北京市房山区2020-2021学年高一下学期期末数学试题北京市北京师范大学第二附属中学2022届高三上学期期中考试数学试题(已下线)第二章 立体几何中的计算 专题六 空间定值问题 微点6 空间定值问题综合训练【培优版】
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解题方法
10 . 如图,在三棱锥
中,
平面
,
是等腰三角形,
,
,
,垂足为H,D是
的中点,则
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/60f2d67e-ea55-4720-bf28-613d115d6e0a.png?resizew=164)
(1)当
时,
的面积是______ .
(2)当
的面积最大时,
的长是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab2c27eac56fffa4cd7dbe1dcdf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ceb48a731f5c08eda157147c4e82334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/60f2d67e-ea55-4720-bf28-613d115d6e0a.png?resizew=164)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b59ab6bf6111dda4a3d428454768b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c768dedaea22607617398ce28a02dd8.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c768dedaea22607617398ce28a02dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
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