名校
1 . 如图,在梯形
中,
为直角,
,
,将三角形
沿
折起至
.
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932657704902656/2933875374178304/STEM/f9808558-5b81-4395-9cd1-788ece91e950.png?resizew=386)
(1)若平面
平面
,求证:
;
(2)设
是
的中点,若二面角
为30°,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9fb030974ba5ed2e8a012ed4c92c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b9874b134abd2004d189463a7c8694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932657704902656/2933875374178304/STEM/f9808558-5b81-4395-9cd1-788ece91e950.png?resizew=386)
(1)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a916d31a199e250556fb7478d9f57f7.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d682fd0344452998187cb6d48de3dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a7ba7cd0c654714c967a900513ba16.png)
您最近一年使用:0次
2022-03-11更新
|
2916次组卷
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5卷引用:江苏省镇江市扬中市第二高级中学2022-2023学年高三上学期期末模拟数学试题
名校
解题方法
2 . 如图,已知抛物线
的焦点为椭圆
:
(
)的右焦点
,点
为抛物线与椭圆
在第一象限的交点,且
.
的方程;
(2)过点
的直线
交抛物线于
,
两点,交椭圆于
,
两点(
,
,
,
依次排序),且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afb1ac69a88a2532707f81197fd17d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6d5cb912b6c37055ed3d13033530e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-02-28更新
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1311次组卷
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7卷引用:江苏省镇江市扬中市第二高级中学2023-2024学年高三上学期期末模拟数学试题3
名校
解题方法
3 . 已知正四棱台
的上下底面边长分别为4,6,高为
,E是
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/31/978623fd-492e-4eda-b727-a90bd7778f3c.png?resizew=199)
A.正四棱台![]() ![]() |
B.正四棱台![]() |
C.AE∥平面![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2022-02-17更新
|
2873次组卷
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9卷引用:江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试卷(二)
江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试卷(二)江苏省苏州中学等四校2021-2022学年高三下学期期初联合检测数学试题辽宁省大连市第二十四中学等校2022届高三高考联合模拟考试数学试题江苏省南京市金陵中学2022届高三学业水平选择性模拟考前最后一卷数学试题江苏省扬州市仪征中学2022-2023学年高三上学期期初学情检测数学试题江苏省扬州市仪征中学、江都中学2024届高三12月联考数学试题江苏省扬州市宝应县画川高级中学2024届高三上学期第二次阶段性学情检测数学试题(已下线)黄金卷07(2024新题型)湖北省武昌实验中学2022-2023学年高二上学期10月月考数学试题
名校
4 . 如图,在平行四边形ABCD中,AB=1,BC=2,∠ABC=60°,四边形ACEF为正方形,且平面ABCD⊥平面ACEF.
(2)求点C到平面BEF的距离;
(3)求平面BEF与平面ADF夹角的正弦值.
(2)求点C到平面BEF的距离;
(3)求平面BEF与平面ADF夹角的正弦值.
您最近一年使用:0次
2022-01-30更新
|
1082次组卷
|
4卷引用:江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试卷(二)
名校
5 . 抛物线
的焦点为F,准线是l,O是坐标原点,P在抛物线上满足
,连接FP并延长交准线l与Q点,若
的面积为
,则抛物线C的方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6595367508aef224945bb140eae7bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2e3b2eb83eb2fe1119e78f4e6e8eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453ea8f3a2b85526b54bf453871c3820.png)
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2022-01-25更新
|
772次组卷
|
5卷引用:江苏省镇江市句容碧桂园学校2022-2023学年高三上学期期末模拟数学试题
江苏省镇江市句容碧桂园学校2022-2023学年高三上学期期末模拟数学试题山东省临沂市2021-2022学年高三上学期期末数学试题江苏省南京市金陵中学2021-2022学年高三下学期2月月考数学试题(已下线)模拟冲刺过关试卷02-【查漏补缺】2022年高考数学三轮冲刺过关(新高考专用)海南省海南中学2022届高三第十次月考数学试题
解题方法
6 . 如图1,在等腰直角
中,
分别为
的中点,将
沿直线
翻折,得到如图2所示的四棱锥
,若二面角
的大小为
,
为
中点.
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900084943953920/2901247455977472/STEM/acbd4647-0bfb-48d5-a5e7-01c3cf1ec7f8.png?resizew=255)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a584e242fb405122fdcb71babc1b35a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb46aaae98bce8e66848e09c2c1cdbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f479b251fdb01bae6d16abb7f2d694a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900084943953920/2901247455977472/STEM/acbd4647-0bfb-48d5-a5e7-01c3cf1ec7f8.png?resizew=255)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f35614aff055b98b76ca262f64e629d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a355389fc797dbe23960c55c18df83.png)
您最近一年使用:0次
2022-01-24更新
|
437次组卷
|
2卷引用:江苏省镇江市句容碧桂园学校2022-2023学年高三上学期期末模拟数学试题
名校
解题方法
7 . 请从下面三个条件中任选一个,补充在下面的横线上,并作答.
①
;②
;③点P在平面ABCD的射影在直线AD上.
如图,平面五边形PABCD中,
是边长为2的等边三角形,
,
,
,将
沿AD翻折成四棱锥
,E是棱PD上的动点(端点除外),F,M分别是AB,CE的中点,且______.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/d2b2bf52-159d-4bec-8c8d-8aa68c0bc85e.png?resizew=343)
(1)求证:
平面PAD;
(2)当EF与平面PAD所成角最大时,求平面ACE与平面ABCD所成的锐二面角的余弦值.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b20d4ab21c5e456980e9e92d770392f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f82a30d6b232dc4d8f35d2d6e0e0f42.png)
如图,平面五边形PABCD中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526908dfb46cf151b8ab1492a9d52047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/d2b2bf52-159d-4bec-8c8d-8aa68c0bc85e.png?resizew=343)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2eecdcbdd8f523c738c9274b44ae790.png)
(2)当EF与平面PAD所成角最大时,求平面ACE与平面ABCD所成的锐二面角的余弦值.
您最近一年使用:0次
2022-01-23更新
|
816次组卷
|
3卷引用:江苏省镇江市扬中市第二高级中学2022-2023学年高三上学期期末考前热身数学试题
名校
8 . 如图,在长方体ABCD﹣A1B1C1D1中,AB=AA1=2,BC=4,E为AD中点,则三棱锥A1﹣CDE外接球的表面积为( )
![](https://img.xkw.com/dksih/QBM/2022/4/9/2954614009208832/2955308682174464/STEM/3c913051-e797-4394-b55c-337da47e13be.png?resizew=187)
![](https://img.xkw.com/dksih/QBM/2022/4/9/2954614009208832/2955308682174464/STEM/3c913051-e797-4394-b55c-337da47e13be.png?resizew=187)
A.8π | B.24π | C.32π | D.44π |
您最近一年使用:0次
2022-04-10更新
|
633次组卷
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3卷引用:江苏省镇江市扬中市第二高级中学2023-2024学年高三上学期期末模拟数学试题3
名校
解题方法
9 . 已知椭圆
的离心率为
,
,
是椭圆
的左右焦点,
为椭圆上的一个动点,且
面积的最大值为
.
![](https://img.xkw.com/dksih/QBM/2021/8/30/2797323472347136/2798733286211584/STEM/b0048ad5-dc89-4f48-8b9d-6b798df9219b.png?resizew=304)
(1)求椭圆
的方程;
(2)过椭圆
的右焦点
作与
轴不垂直的直线
交椭圆于A,B两点,第一象限点
在椭圆上且满足
轴,连接
,
,记直线
,
,
的斜率分别为
,
,
,探索
是否为定值,若是求出;若不是说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://img.xkw.com/dksih/QBM/2021/8/30/2797323472347136/2798733286211584/STEM/b0048ad5-dc89-4f48-8b9d-6b798df9219b.png?resizew=304)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9a7ab181883910f06f7fbecc6ea25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa7d2c1ff8d3586ad374dbc41e9752e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c4e4fca34fe14b8a05d6e99c3f1a35.png)
您最近一年使用:0次
2021-09-01更新
|
663次组卷
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5卷引用:江苏省镇江市扬中市第二高级中学2024届高三上学期期末模拟数学试题(一)
10 . 如图,过抛物线y2=2px(p>0)的焦点F的直线l交抛物线于点A,B,交其准线于点C,若|BC|=2|BF|,且|AF|=6,则此抛物线方程为( )
![](https://img.xkw.com/dksih/QBM/2021/9/29/2818548346519552/2819106159534080/STEM/9ff0783b730b4226b9a4b59a78e15b8d.png?resizew=270)
![](https://img.xkw.com/dksih/QBM/2021/9/29/2818548346519552/2819106159534080/STEM/9ff0783b730b4226b9a4b59a78e15b8d.png?resizew=270)
A.y2=9x | B.y2=6x |
C.y2=3x | D.y2=![]() |
您最近一年使用:0次
2021-09-30更新
|
2849次组卷
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22卷引用:江苏省扬中市第二高级中学2022届高三上学期期末考前热身数学试题
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