1 . 已知圆M的圆心在y轴上,且经过
,
两点.
(1)求圆M的圆心坐标和半径;
(2)若P是圆M上的一个动点,求P到直线
的距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8159754fa962579d7dcb79da0ba1908.png)
(1)求圆M的圆心坐标和半径;
(2)若P是圆M上的一个动点,求P到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6e859e7c4a8b84e4a24893207a1a9f.png)
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2 . 已知椭圆
的左顶点、上顶点分别为
,
,离心率为
,
(
为坐标原点)的面积为1.
(1)求椭圆
的方程;
(2)已知过点
的直线
交椭圆
于
,
两点(点
,
不在
轴上),直线
,
分别交
轴于点
,
,若
,
,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49179dbfbc8e207aa92fd72060fba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/725b462ec7600e3fe695295f9d654ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031e262818360688a136d22677cd78ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d604d4082af56c24af71e1363c302cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
3 . 在梯形
中,
,
,已知
,
,
.
(1)求点
的坐标;
(2)求梯形
的面积.
![](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/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffe17c304a7f157998c7fcf19283964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e99ba8bce329c030d01101ac8f72588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f56120e30c41aa77a37eb4d46f6390.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)求梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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名校
4 . 在
中,
,
,
.
(1)求
边的高线的方程;
(2)过点A的直线l与直线
的交点为D,若
,求D的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c09b41032e4722c412c2e2427500a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d31cd03879d5c69ff11d0923f1ee82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4129098ad406f5d89c02c3b1c4b905d8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)过点A的直线l与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9941d6dacd8ccf0742471c9bda65eca5.png)
您最近一年使用:0次
5 . (1)求
的交点坐标.
(2)用坐标法证明:平行四边形四条边的平方和等于两条对角线的平方和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222f8b5d77c7b439300f5087ffef90af.png)
(2)用坐标法证明:平行四边形四条边的平方和等于两条对角线的平方和.
您最近一年使用:0次
解题方法
6 . 如图,已知四棱锥
的底面为等腰梯形,
,
,垂足为H,
是四棱锥的高 ,E为
中点
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ef99db257cc1acb08e3a5e0006d49.png)
(2)若
,求二面角
所成角的正弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/664c1f83-edb7-4d93-8e80-aa62b798b837.png?resizew=149)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ef99db257cc1acb08e3a5e0006d49.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c695798f9829e4c639b17e8bfb0c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065d3032de0dd38b461d820f100e2c57.png)
您最近一年使用:0次
7 . 如图,在四棱锥
中,
平面
的平分线与
交于
分别为
的中点.
(1)证明:
平面
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694b90a419f2087b0702e2e8e3fbd129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffc31c0bad26635afa450cfc169c4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c663227be716b81f09589a4665f48a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211a44ffb09c7413dac58e9cea70fd9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/7ba781c8-e084-4367-b9d7-ed6fada40c86.png?resizew=149)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf663ee2bf1ac5c43f4306fa0cf250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f947fd286e0c37fdcc8d1b6ce4295c7a.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183e44b44c664cf97cea0a3cd8e83b53.png)
您最近一年使用:0次
解题方法
8 . 如图,在棱长均相等的平行六面体
中,用空间向量证明下列结论.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/05306c01-ff12-46a1-9020-d04c04d1978b.png?resizew=173)
(1)若
,求证:
平面
;
(2)若
是棱
的中点,
是
上靠近点
的三等分点,求证:
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/05306c01-ff12-46a1-9020-d04c04d1978b.png?resizew=173)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9c4adb05045cdd808a1ff7d6662d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637bdc8cf5c522d2abab727ec3a11631.png)
您最近一年使用:0次
解题方法
9 . 如图,在底面为梯形的四棱锥
中,
底面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/10/4ad3fc7b-bf16-4183-bd70-5d83967ec645.png?resizew=138)
(1)证明:
平面
.
(2)延长
至点
,使得
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d1ffb4d5717db4160831f49268cf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05dec8472f08127afd7710224b8936ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b112289b2e6a327759d3d73d42c1df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/10/4ad3fc7b-bf16-4183-bd70-5d83967ec645.png?resizew=138)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c9ea68cd9659d200587026b9c6ac4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10fc7991ea17d54ff5f4445ac5699463.png)
您最近一年使用:0次
2023-12-15更新
|
267次组卷
|
3卷引用:山西省2023-2024学年高二上学期11月期中考试数学试题
解题方法
10 . 如图,在几何体
中,△ABC是边长为2的正三角形,D,E分别是
,
的中点,
,
平面ABC,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/5eb51012-dd4e-4a0c-aa7c-a1025a264a4c.png?resizew=146)
(1)若
,求证:
平面
;
(2)若平面
与平面ABC夹角的余弦值为
,求直线DE与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ed434785aeba443e99a7e8238eb16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d519fa7713f99e8e4ed2b47e477c6715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462b1c65b1b233ab98a90c164c0968c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/5eb51012-dd4e-4a0c-aa7c-a1025a264a4c.png?resizew=146)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eac4972d99833acf112d298c6c508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b7903de4be7d5dc1175cfbf6e8da9f.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b7903de4be7d5dc1175cfbf6e8da9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072c32b9948144d040a9a83f8d11ea8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b7903de4be7d5dc1175cfbf6e8da9f.png)
您最近一年使用:0次
2023-12-15更新
|
293次组卷
|
3卷引用:山西省太原市2023-2024学年高二上学期期中学业诊断数学试卷