名校
解题方法
1 . 古希腊数学家阿波罗尼奥斯发现:平面上到两定点A,B距离之比为常数λ(λ>0且λ≠1)的点的轨迹是一个圆心在直线AB上的圆,该圆简称为阿氏圆.根据以上信息,解决下面的问题:如图,在长方体
中,
,点E在棱AB上,
,动点
满足
.若点
在平面ABCD内运动,则点
所形成的阿氏圆的半径为________ ;若点
在长方体
内部运动,F为棱
的中点,M为CP的中点,则三棱锥
的体积的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e38caa80bd08fcab912cd29270c7f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fbc3a1f1e848cf1349b9327be8607d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881065f7206dfd41d3983cbfed820784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2231f6d5a340fd95eb96c872f1194a0.png)
您最近一年使用:0次
2022-07-15更新
|
1510次组卷
|
19卷引用:2020届宁夏中卫市高三下学期第二次模拟考试数学(理)试题
2020届宁夏中卫市高三下学期第二次模拟考试数学(理)试题2020届宁夏回族自治区银川一中高三第三次模拟考试数学(理)试题山东省日照市第一中学2020届高三下学期模拟考试数学试题(已下线)专题九 立体几何与空间向量-2020山东模拟题分类汇编(已下线)第六单元立体几何初步(A卷 基础过关检查)-2021年高考数学一轮复习单元滚动双测卷(新高考地区专用)辽宁省部分中学2021-2022学年高三下学期期末数学试题2020届山东省济南市高三第一次模拟考试数学试题(已下线)黄金卷02-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(新高考专用)(已下线)练习3 2021年高考数学二轮小题专练(新高考)四川省绵阳中学高三2021届高考仿真模拟(一)数学(理)试题河北省盐山中学2021-2022学年高二上学期9月月考数学试题(已下线)解密12 空间向量在空间几何体的应用(讲义)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(新高考专用)空间向量与立体几何中的高考新题型(已下线)模块五 空间向量与立体几何-3福建省三明市第一中学2023-2024学年高二上学期8月月考数学试题(已下线)第三章 空间轨迹问题 专题四 立体几何轨迹面积、体积问题 微点1 立体几何轨迹面积、体积问题【培优版】辽宁省十一校重点高中联合体2024届高三下学期3月联合考试数学试卷(已下线)第3题 空间距离最值问题(压轴小题)(已下线)专题3 阿波罗尼斯圆及其应用【练】(压轴小题大全)
名校
2 . 在四棱锥
中,
,
,
,则这个四棱锥的高等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828a9b50e1b2fd2f79433885f26c387d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb75d0739d1757f06dcea970e8f52014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a676b2d44f9b442fa5b35a2f9932b2.png)
您最近一年使用:0次
2022-05-06更新
|
710次组卷
|
6卷引用:上海市奉贤区奉贤中学2018-2019学年高二下学期期末数学试题
3 . 空间坐标系中,过点
且与直线
垂直的平面方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac5d023693aeac60283e5feaee1e69a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b132cf481b725aad6d3565b57dc22662.png)
您最近一年使用:0次
名校
解题方法
4 . 如图,在三棱柱
中,
,
,
两两互相垂直,
,
,
是线段
,
上的点,平面
与平面
所成(锐)二面角为
,当
最小时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b0594893c40c5578051097ccad61e0.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73d30658fb903065ca4604cdf540432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e884ca9429486026caa5e2310b0e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b0594893c40c5578051097ccad61e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/10d03ca8-5b58-4b05-81b4-71b5c122fb23.png?resizew=150)
您最近一年使用:0次
2020-02-27更新
|
648次组卷
|
2卷引用:河南省南阳市2019-2020学年高二上学期期末数学(理)试题
5 . 在正方体
中,
,
分别为
,
的中点,有以下命题:
①
平面
;②
;③平面
平面
,
则正确命题的序号为______ .
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1859959fdb4c5edd8056893f94a10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccef97facfd9795af1842fba71b49b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b77b6829b026d38bde776e2993e3e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1c04946340198af69170d4ebd4b42.png)
则正确命题的序号为
您最近一年使用:0次
2020-01-15更新
|
527次组卷
|
3卷引用:河北省唐山市2019-2020学年高三上学期期末数学理科试题
河北省唐山市2019-2020学年高三上学期期末数学理科试题2020届高三2月第02期(考点07)(理科)-《新题速递·数学》(已下线)第七章 立体几何与空间向量 第五节 空间向量与线、面位置关系(A素养养成卷)
名校
解题方法
6 . 如图所示,正方体
的棱长为1,
,
为线段
,
上的动点,过点
,
,
的平面截该正方体的截面记为
,则下列命题正确的是________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/6d16c941-38b8-487f-9c3d-4201a84685f5.png?resizew=159)
①当
且
时,
为等腰梯形;
②当
,
分别为
,
的中点时,几何体
的体积为
;
③当
为
中点且
时,
与
的交点为
,满足
;
④当
且
时,
的面积
.
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/6d16c941-38b8-487f-9c3d-4201a84685f5.png?resizew=159)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3324433cbbf6a7704b585b6a7692403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd2c8f16f3a858f2b37e29574bb2530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/d5ac8a6f41e4b143675f07c07b599246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d7abf02717d6e59d8a64a65a87c412.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102f4da3f6d889878c591d6daabc5714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5cdaa601ee346f02218ba3ffd9da4b5.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f2cf3cea17ced18ebfafb8aa3f107d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d9fc9f2498c4759a33af476443f2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
您最近一年使用:0次
2020-03-18更新
|
948次组卷
|
3卷引用:河北省武邑中学2018-2019学年高二下学期期末数学(理)试题
河北省武邑中学2018-2019学年高二下学期期末数学(理)试题(已下线)卷04 高二上学期10月第一次月考——重难点突破 B卷-【重难点突破】2021-2022学年高二数学上册常考题专练(人教A版2019选择性必修第一册)辽宁省沈阳市东北育才学校2023-2024学年高二上学期期中数学试题
7 . 已知在长方体ABCD-A1B1C1D1中,AB=BC=1,AA1=2,E是侧棱BB1的中点,则直线AE与平面A1ED1所成角的大小为_____ .
您最近一年使用:0次
2018-10-10更新
|
656次组卷
|
3卷引用:陕西省商洛市商丹高新学校2019-2020学年高二上学期期末理科数学试题
陕西省商洛市商丹高新学校2019-2020学年高二上学期期末理科数学试题2018秋人教A版高中数学选修2-1模块综合测评(B)(已下线)考点41 立体几何的向量方法-空间角问题(考点专练)-备战2021年新高考数学一轮复习考点微专题
解题方法
8 . 在四棱锥
中,底面
为平行四边形,
平面
,
,
,
,
,则当
变化时,直线
与平面
所成角的取值范围是__________ .
![](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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](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/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26eba7e649fade39fd2d0b6ef4ac5ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e10456959f991b36a075972bcdbfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
名校
解题方法
9 . 如图,在长方体
中,
,
,点
在棱
上,若直线
与平面
所成的角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d64fc81c857b124268609a8beb77b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb4e4c148b9185e09e454955eaa7312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/b68a3019-0d9b-42dd-a180-435fa172bc5c.png?resizew=202)
您最近一年使用:0次
2017-11-15更新
|
755次组卷
|
2卷引用:河南省林州市第一中学2017-2018学年高二(普通班)上学期期末考试数学(理)试题
解题方法
10 . 在正方体
中,若棱长
,则点
到平面
的距离为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
您最近一年使用:0次