解题方法
1 . 某几何体的三视图如图所示,则该几何体的表面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/0533d9e5-1321-4781-94eb-96f2bbe21c8d.png?resizew=179)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/0533d9e5-1321-4781-94eb-96f2bbe21c8d.png?resizew=179)
A.![]() | B.![]() | C.12 | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,平面四边形
为直角梯形,
,
,
,将
绕着
翻折到
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/c6ad29e0-c421-4e27-b4df-4722f9adebe4.png?resizew=162)
(1)
为
上一点,且
,当
平面
时,求实数
的值;
(2)当平面
与平面
所成的锐二面角大小为
时,求
与平面
所成角的正弦.
![](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/90ff6d7dd48b57f03d82d2c522ee9b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f86b6bb8d0612e06f5579090727379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e2903ff33266528a7902ad51cf8d75.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/c6ad29e0-c421-4e27-b4df-4722f9adebe4.png?resizew=162)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e414ccd7e8a7b8397cb99fcd812ab6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c2b786c64e6a9ed2ec5670cde74f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838132d6d6d5177def1270bddeee3d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)当平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
解题方法
3 . 某几何体的三视图如图所示,则原几何体的体积为______ ,表面积为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/0d4f62de-fc55-4710-8772-63f5c0ba8e4d.png?resizew=181)
您最近一年使用:0次
2020-04-12更新
|
274次组卷
|
2卷引用:2019届浙江省绍兴市诸暨中学高三第一次新高考模拟数学试题
4 . 在长方体
中,
,
,
为
的中点,连接
、
、
和
.
![](https://img.xkw.com/dksih/QBM/2020/4/8/2436969284091904/2437161258926080/STEM/e2b75dc08d6a4c0e9bd4f62c0e5bac4d.png?resizew=230)
(1)求证:平面
平面
;
(2)求二面角
的正切值;
(3)求
到面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9555af092dd58b16d619691164e81114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://img.xkw.com/dksih/QBM/2020/4/8/2436969284091904/2437161258926080/STEM/e2b75dc08d6a4c0e9bd4f62c0e5bac4d.png?resizew=230)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c940226a2a3388cb1366e5dc942900c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8257b6bd25104e07b9ad935c0a3aac4.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698c9744e2df4cf8e1be04d0744d2a5b.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466fabcaac59132fea648ff35342ec9d.png)
您最近一年使用:0次
19-20高二·浙江·期末
5 . 直线
的倾斜角是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e6441a7e417f74ed0747543b9d66c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
19-20高二·浙江杭州·期末
6 . 直线
与圆
在第一象限内有两个交点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d1e97d1268ad01b4a91ff0e68c6a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 光线从点
出发,经直线
反射后到达点
,则光线从
反射到
的总行程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08461f6010e4459a92cf039593ea84d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04eed461026f69fe9ab2c5dc12af8ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c441c7e1d4bc397894cc8a6a169e0d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
名校
解题方法
8 . 已知直线
与直线
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1c085f37f49fb36045053e4b024728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28efa305dbe274ca67cba461422776b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
9 . 已知多面体
中,
、
均垂直于平面
,
,
,
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/2020/2/17/2404470567780352/2428784735600640/STEM/4a3ecaa0dae140e3b4e51f08bc94efab.png?resizew=167)
(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/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aedf65d7d930fdb972d4802c0dea8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4591d4cbade5c26bc5467b9661064ead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce072bcd423b56c827e40f0b731de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2020/2/17/2404470567780352/2428784735600640/STEM/4a3ecaa0dae140e3b4e51f08bc94efab.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2b5cfae407016cad45bbdefea05833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
您最近一年使用:0次
解题方法
10 . 某几何体的三视图如图所示(单位:
),则该几何体的体积是_____
;最长棱的长度是_____
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b77fcbd8001b946d98b01b7d4999ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://img.xkw.com/dksih/QBM/2020/2/17/2404470567780352/2428784735526913/STEM/31f66db5689f422c8710ece8fce876bd.png?resizew=247)
您最近一年使用:0次
2020-03-27更新
|
424次组卷
|
3卷引用:2019届浙江省高三下学期4月高考模拟测试数学试题
2019届浙江省高三下学期4月高考模拟测试数学试题2020届浙江省温州市高三下学期4月二模数学试题(已下线)专题11 三视图与几何体的面积与体积-2021年浙江省高考数学命题规律大揭秘【学科网名师堂】