名校
解题方法
1 . 如图,四边形
为正方形,
,
,且
,
,延长
相交于点
,连接
,
平面
.
![](https://img.xkw.com/dksih/QBM/2021/9/28/2817907379585024/2821526296436736/STEM/3aabd719b0e8420ca9107259815edb09.png?resizew=261)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae4c5cfe83c44c72a2d40695d18b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a64f0bc01c1dbf0b4b87763141d8059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b021a72721e6ac70349104f8bf4b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012434c2c590eb70714d7c24fd63eaaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c81e1db197be2e4b396000fbaa3129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
![](https://img.xkw.com/dksih/QBM/2021/9/28/2817907379585024/2821526296436736/STEM/3aabd719b0e8420ca9107259815edb09.png?resizew=261)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373f735f0f04d11f1951eaef1bb78b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb8697622fb9d281cf44feb4adaf14a.png)
您最近一年使用:0次
解题方法
2 . 如图,在多面体
中,
两两垂直,四边形
是边长为
的正方形,
,且
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/e6d9b1d2-0dd3-4f27-9978-d25db7336be7.png?resizew=159)
(1)证明:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1e1ab067de809e8ab8880ef20eef21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83680a9b9a9526f75e0b37aa532132f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0cb3d3dc19a5457207bffc583cda2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd6ae694a4678178afc4439cc7608f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b20cd1a43264e4533d4980c99fdad4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/e6d9b1d2-0dd3-4f27-9978-d25db7336be7.png?resizew=159)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb10d645970e5860afd3430957fab6c.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
您最近一年使用:0次
3 . 如图,直三棱柱ABC-A1B1C1中,D是AB的中点,AC=BC=3,AB=3
,AA1=6.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/1f8bda60-8f93-42d1-85a9-d331f813abb5.png?resizew=139)
(1)求证:AC1//平面CDB1;
(2)求点C1到平面CDB1的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/1f8bda60-8f93-42d1-85a9-d331f813abb5.png?resizew=139)
(1)求证:AC1//平面CDB1;
(2)求点C1到平面CDB1的距离.
您最近一年使用:0次
2021-08-27更新
|
696次组卷
|
4卷引用:江西省智学联盟体(南昌市第二中学等)2022届高三上学期第一次联考数学(文)试题
江西省智学联盟体(南昌市第二中学等)2022届高三上学期第一次联考数学(文)试题(已下线)专题01 立体几何求体积-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍(全国通用版)(已下线)专题19 立体几何(解答题)-备战2022年高考数学(文)母题题源解密(全国甲卷)黑龙江省嫩江市第一中学等2021-2022学年高三上学期期末联考数学(文)试题
名校
解题方法
4 . 四棱锥P﹣ABCD中,面PAD⊥面ABCD,AB∥CD且AB⊥AD,PA=CD=2AB=2,AD=PD=
.E为PB中点.
![](https://img.xkw.com/dksih/QBM/2021/4/13/2698822586146816/2772807465926656/STEM/a3bf0d6d-3c15-429c-8b67-9b47a0b09aaf.png)
(1)求证:PA⊥面CDE;
(2)求点E到面PCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/2021/4/13/2698822586146816/2772807465926656/STEM/a3bf0d6d-3c15-429c-8b67-9b47a0b09aaf.png)
(1)求证:PA⊥面CDE;
(2)求点E到面PCD的距离.
您最近一年使用:0次
2021-07-26更新
|
413次组卷
|
5卷引用:江西省南昌市第十中学2021届高三下学期第一次月考数学(文)试题
江西省南昌市第十中学2021届高三下学期第一次月考数学(文)试题江西省丰城市第九中学2022届高三(日新部)上学期第一次月考数学(文)试题安徽省安庆市2021届高三下学期一模文科数学试题(已下线)专题29 立体几何(解答题)-2021年高考数学(文)二轮复习热点题型精选精练河南省示范性高中2021-2022学年高三下学期阶段性模拟联考三文科数学试题
5 . 在斜三棱柱
中,
,
平面
,E,F分别是
,
的中点.
![](https://img.xkw.com/dksih/QBM/2021/5/7/2716118902046720/2718099499622400/STEM/4979b066-68f8-4f92-b04c-5d7c624eaaae.png?resizew=287)
(1)求证:
平面
;
(2)已知
,斜三棱柱
的体积为8,求点E到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89195bacd53d43195e70c12b5cfa041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/2021/5/7/2716118902046720/2718099499622400/STEM/4979b066-68f8-4f92-b04c-5d7c624eaaae.png?resizew=287)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d37730e89acf607fc2559f43e92b0c8.png)
您最近一年使用:0次
2021-05-10更新
|
1122次组卷
|
4卷引用:江西省九江第一中学2021届高三5月适应性考试数学(文)试题
名校
解题方法
6 . 如图,在直三棱柱
中,
,
,
,
为棱
的中点,
为
上一点.
![](https://img.xkw.com/dksih/QBM/2021/2/26/2666220486434816/2666505059844096/STEM/a68e3f31-4891-4d9c-bfdd-7eb98edaf971.png)
(Ⅰ)证明:
;
(Ⅱ)求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cfb38323095090b0fe5eee70b24210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2021/2/26/2666220486434816/2666505059844096/STEM/a68e3f31-4891-4d9c-bfdd-7eb98edaf971.png)
(Ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7209f2bea314c5e144b11eb5f8d79ee4.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba99277e38f8d9f817a9d7db8198219.png)
您最近一年使用:0次
2021-02-26更新
|
171次组卷
|
3卷引用:江西省吉安市遂川中学2021届高三下学期阶段性测试(四)数学(文)试题
江西省吉安市遂川中学2021届高三下学期阶段性测试(四)数学(文)试题(已下线)天一大联考2021届高三下学期阶段检测(四)文科数学试题河南省十所名校2020-2021学年高中毕业班阶段性测试数学文科(四)试题
名校
解题方法
7 . 如图,四棱锥
中,平面
底面ABCD,
是等边三角形,底面ABCD为梯形,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/3ef54571-0ce4-45a2-a19e-d531d46feedc.png?resizew=177)
(1)证明:
;
(2)求A到平面PBD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ad6a0124359e8b9f7649cf0bff51ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36aae82d53f2a35d2f95f467bd5b76cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3f8ecc57e62a8ef9b5be34ea6c963c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/3ef54571-0ce4-45a2-a19e-d531d46feedc.png?resizew=177)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5d56d8170b764b80a672cd6c861921.png)
(2)求A到平面PBD的距离.
您最近一年使用:0次
2021-02-28更新
|
364次组卷
|
14卷引用:江西省南昌市第十中学2022届高三下学期第一次月考数学(文)试题
江西省南昌市第十中学2022届高三下学期第一次月考数学(文)试题四川省宜宾市叙州区第二中学校2019-2020学年高三下学期第二次月考数学(文)试题四川省简阳市阳安中学2020-2021学年高三10月月考数学(文)试题新疆实验中学2021届高三10月月考数学试题【全国校级联考】重庆市中山外国语学校2019届高三上学期开学考试(9月)数学(文)试题东北师范大学附属中学2018届高三第五次模拟考试数学(文科)试题【全国百强校】辽宁省大连八中2019届高三(上)期中数学试题(文科)福建省漳州市2019届高三毕业班高考模拟(一)试卷数学(文)试题四川省成都七中2020-2021学年高三入学考试数学文科试题四川省成都市第七中学2020-2021学年高三上学期开学考试数学(文)试题河北省邯郸市大名县一中2020-2021学年高二(实验班)上学期10月半月考数学试题安徽省滁州市定远县育才学校2021届高三下学期开学考试数学(文)试题贵州省黔西南州金成实验学校2023-2024学年高二上学期第一次月考数学试题辽宁省阜新市第二高级中学2022-2023学年高二上学期期中数学试题
名校
解题方法
8 . 如图,在梯形
中,
平面
,
平面
.
![](https://img.xkw.com/dksih/QBM/2020/8/2/2519367960879104/2519699761881088/STEM/f7acfdbd-2d7b-4e69-a863-2551bae04b33.png)
(1)求证:
;
(2)
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608f5c1f359fe8d91a5db80f5909455f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0b72906641ed13716cfbce50923282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2020/8/2/2519367960879104/2519699761881088/STEM/f7acfdbd-2d7b-4e69-a863-2551bae04b33.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316c97c5b6f7c0fbdf7b9e4b9fccb661.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3450879da39b6c4c4ce067027c686923.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
2020-08-03更新
|
667次组卷
|
4卷引用:【南昌新东方】 江西省南昌三中2020-2021学年高三上学期10月第一次月考数学(文)试题
(已下线)【南昌新东方】 江西省南昌三中2020-2021学年高三上学期10月第一次月考数学(文)试题2020届河北省唐山市高三第二次模考数学(文)试题海南省临高县2023届高三模拟考试数学试题四川省成都市石室中学2023届高三下学期高考专家联测卷(四)数学(文)试题
9 . 如图所示,梯形
中,
,平面
平面
,且四边形
为矩形,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/6/18/2487460573790208/2488060332752896/STEM/e08a17b2-4f6e-4c33-973f-d1a15440c23e.png)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a68a008a22d5a8cea5fe8dcf31e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ea9d92e5c258a50af1e461c7388894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0524c3287106a4460858ed3926989a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af32ecdc0dc2f1a60b47f3311a0587d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71aa812f83d86aaf308244a9afc09322.png)
![](https://img.xkw.com/dksih/QBM/2020/6/18/2487460573790208/2488060332752896/STEM/e08a17b2-4f6e-4c33-973f-d1a15440c23e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
您最近一年使用:0次
2020-06-19更新
|
995次组卷
|
5卷引用:江西省南昌市进贤县第一中学2021届高三上学期第二次月考数学(文)试题
名校
解题方法
10 . 如图,正方体
,点
为对角线
上的点,当点
由点
向点
运动过程中,下列说法正确的是
![](https://img.xkw.com/dksih/QBM/2020/6/18/2487460573790208/2488060332654592/STEM/d0202c5d059a45f3b2b4402506d670b7.png?resizew=144)
![](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/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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3卷引用:江西省南昌市进贤县第一中学2021届高三上学期第二次月考数学(文)试题