名校
解题方法
1 . 已知直线
与直线
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ;若直线
与圆心为
的圆
相交于
,
两点,且
为直角三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e7d3076cd0ab2aac5b0e3a4ff6e0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babf8787b6aa6d475f7423c48975ff74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b839b8c1c1b952e967ded860dda1a189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7aa0f183a94c739737afae6acea7836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,在三棱柱
中,平面
平面
,侧面
是边长为2的正方形,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/44e29202-58ce-4e59-a9ae-6b55a7711348.png?resizew=199)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0d0e78101fef36a75b70ac7e7cf5b.png)
(2)请再从下列三个条件中选择一个补充在题干中,完成题目所给的问题.
①直线
与平面
所成角的大小为
;②三棱锥
的体积为
;③
. 若选择条件___________.
求(i)求二面角
的余弦值;
(ii)求直线
与平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ba5715a95b8de18c637c12c3d30d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0d0e78101fef36a75b70ac7e7cf5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12b92bb195943c794a3b3cf135d71a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddef39ef9ed3da136c4ed8b5d28b73e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/44e29202-58ce-4e59-a9ae-6b55a7711348.png?resizew=199)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0d0e78101fef36a75b70ac7e7cf5b.png)
(2)请再从下列三个条件中选择一个补充在题干中,完成题目所给的问题.
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da67af246912670bac6dc860f301383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4fcf607b0710d12aaabd17fd053d83.png)
求(i)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ecc467cf90f9f26cf6902af77427ca.png)
(ii)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0d0e78101fef36a75b70ac7e7cf5b.png)
您最近一年使用:0次
2023-01-03更新
|
893次组卷
|
3卷引用:北京市海淀实验中学2023届高三上学期期末数学试题
北京市海淀实验中学2023届高三上学期期末数学试题第八章立体几何初步章节验收测评卷-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)重难点突破02 利用传统方法求线线角、线面角、二面角与距离(四大题型)
名校
3 . 如图,已知在四棱锥
中,底面
是菱形,且
底面
,
分别是棱
的中点,对于平面
截四棱锥
所得的截面多边形,有以下几个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/41811edf-8f4d-4db3-b213-6ee62fe8571f.png?resizew=187)
①截面的面积等于
;
②截面是一个五边形且只与四棱锥
四条侧棱中的三条相交;
③截面与底面所成锐二面角为
;
④截面在底面的投影面积为
.
其中,正确结论的序号是___________ .
![](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/2c8c336bafb3d814f6c6ba433470a6e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceba189c7a0d6e00ae52b8806ccb448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805fba552962d3389267f0ddf7fcf87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd66687a8c0d2d00ba430b040e9f647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/41811edf-8f4d-4db3-b213-6ee62fe8571f.png?resizew=187)
①截面的面积等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee05b3210c8964deef8ff771173d288.png)
②截面是一个五边形且只与四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
③截面与底面所成锐二面角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
④截面在底面的投影面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa37aefb6d45efe4e20ba48c2e7dfa8.png)
其中,正确结论的序号是
您最近一年使用:0次
2023-01-03更新
|
559次组卷
|
5卷引用:北京市海淀实验中学2023届高三上学期期末数学试题
北京市海淀实验中学2023届高三上学期期末数学试题(已下线)北京市西城区2022届高三二模数学试题变式题11-15(已下线)模块一 专题3 立体几何中的截面问题河南省信阳市信阳高级中学2023届高三下学期4月月考文科数学试题(已下线)模块一 专题5 立体几何中的截面问题(人教B)
名校
4 . 过点
作圆
的切线,则切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedcd8d2189780ada38a3e52e779bb09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca23a2a8cf7f1022133ee825c7e12ae8.png)
您最近一年使用:0次
2023-01-02更新
|
577次组卷
|
2卷引用:北京大学附属中学2022-2023学年高二上学期期末复习数学试题(2)
名校
5 . 已知动圆C经过点
,并且与直线
相切,若直线
与圆C最多有一个公共点,则圆C的面积( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace4ad779709e37bd76d44a53f37faa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b5e0b7cb3ceaf050fc1af27232f24b.png)
A.有最小值为![]() | B.有最大值为![]() |
C.有最小值为![]() | D.有最大值为![]() |
您最近一年使用:0次
名校
6 . 下列关于圆
:
的说法中正确的个数为( )
①圆
的圆心为
,半径为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
②直线
:
与圆
相交
③圆
与圆
:
相交
④过点
作圆
的切线,切线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc7538878994b0af1babf9fed7a2ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bcfcc5fdcec676875e253087acc568.png)
①圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77cb0a28d72b7e7eacc877e97bc7ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f983a7d38abfdbcd2f250ff8d4e4fec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
③圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0912d25d00db4d6f600d09b633b8165e.png)
④过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3f986a4f053c576c8a58c7debc8829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc7538878994b0af1babf9fed7a2ea1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-02更新
|
475次组卷
|
3卷引用:北京大学附属中学2022-2023学年高二上学期期末复习数学试题(2)
名校
7 . 如图,在四棱锥
中,
面
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/1/fd8a65aa-c3e3-45e3-8e60-67ccfc6592c9.png?resizew=188)
(1)求证:
;
(2)求锐二面角
的余弦值;
(3)若
的中点为M,判断直线
与平面
是否相交,如果相交,求出P到交点H的距离,如果不相交,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.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/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b42c2055b8da812421b70e74596428.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/1/fd8a65aa-c3e3-45e3-8e60-67ccfc6592c9.png?resizew=188)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf6c62979a7aa534a191d8387a741e8.png)
(2)求锐二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290a37874cd284fb1a8c864769ce50c9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
您最近一年使用:0次
2022-12-31更新
|
690次组卷
|
2卷引用:北京市人大附中2022届高三上学期数学收官考试之期末模拟试题
解题方法
8 . 根据下列条件,求圆的标准方程:
(1)圆心在点
,且过点
;
(2)过点
和点
,半径为2;
(3)
,
为直径的两个端点;
(4)圆心在直线
上,且过点
和点
.
(1)圆心在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cad955f235c6dc064b5cc814b8c0656.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf140d78ed70107444987a1c0fa8bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b1fb09b447a2a1d6e9e4702d695b3e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93673da122aa61265463e2030cc27ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059847d2e40d182ce5e11868ad514f27.png)
(4)圆心在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd165b783a42cbb2f9b3750b0358b603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdf0b6fecd6a78bc83f42e11e60a004.png)
您最近一年使用:0次
名校
解题方法
9 . 已知光线经过已知直线
和
的交点M,且射到x轴上一点
后被x轴反射.
(1)求反射光线所在的直线
的方程.
(2)求与
距离为
的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/723d554fdd7c64c449fbf5a52cf2be5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3cc65f39bdcbb25718e8afab4d958c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
(1)求反射光线所在的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
(2)求与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
您最近一年使用:0次
2022-12-26更新
|
927次组卷
|
7卷引用:北京市中国人民大学附属中学2022-2023学年高二上学期数学期末复习试题(2)
北京市中国人民大学附属中学2022-2023学年高二上学期数学期末复习试题(2)1.1 直线与直线的方程 检测卷-2022-2023学年高二上学期数学北师大版(2019)选择性必修第一册四川省雅安市天立学校2022-2023学年高二上学期入学测试数学试题第二章 直线和圆的方程 讲核心02(已下线)第03讲:直线与方程 (必刷8大考题+9大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)(已下线)通关练10 直线的方程大题10考点精练(57题)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)(已下线)专题1.5 平面上的距离(2个考点十大题型)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)
10 . 如图,在正方体
中,点
是对角线
上一动点,在点
从顶点
移动到顶点
的过程中,下列结论中错误的有( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/dc255631-7e3a-4fd5-b381-b5abfe53f6e5.png?resizew=172)
![](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/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/dc255631-7e3a-4fd5-b381-b5abfe53f6e5.png?resizew=172)
A.二面角![]() ![]() |
B.直线![]() ![]() |
C.存在一个位置,使得![]() ![]() |
D.存在一个位置,使得平面![]() ![]() |
您最近一年使用:0次