1 . 某三棱柱的三视图如图所示,则该三棱柱的表面积为__________ .
![](https://img.xkw.com/dksih/QBM/2018/3/28/1912144093421568/1915413238022144/STEM/a51357a4-d387-4d38-bfe2-55d87cb4e092.png)
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2 . 已知正方体的棱长为
,则该正方体的外接球的直径为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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13-14高二·江苏扬州·阶段练习
名校
3 . 正三棱锥的底面边长为2,侧面均为直角三角形,则此三棱锥的体积为 .
您最近一年使用:0次
2016-12-03更新
|
832次组卷
|
3卷引用:北京师范大学附中2018-2019学年高一(国际班)下学期期末考试数学试题
北京师范大学附中2018-2019学年高一(国际班)下学期期末考试数学试题人教A版高中数学必修二 2.3.3 直线与平面垂直的性质1(已下线)2014-2015学年江苏省高邮市第一中学高二九月月考数学试卷
4 . 如图所示,在边长为
的正方形纸片
中,
与
相交于
,剪去
,将剩余部分沿
,
折叠,使
,
重合,则以
,
,
,
为顶点的四面体的体积为( ).
![](https://img.xkw.com/dksih/QBM/2018/3/28/1912144093421568/1915413237940224/STEM/0c6bf165dda24044b82a656c6d1b1b23.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab655f2998dc16108d8a15044af6725.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2018/3/28/1912144093421568/1915413237940224/STEM/0c6bf165dda24044b82a656c6d1b1b23.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 某几何体的三视图如图所示,其中俯视图是等腰三角形,那么该几何体的体积是
![](https://img.xkw.com/dksih/QBM/2017/7/5/1723710196989952/1724155365785600/STEM/e7b1e606aa7b411f9d409b937abcd950.png?resizew=170)
![](https://img.xkw.com/dksih/QBM/2017/7/5/1723710196989952/1724155365785600/STEM/e7b1e606aa7b411f9d409b937abcd950.png?resizew=170)
A.96 | B.128 | C.140 | D.152 |
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12-13高二上·浙江嘉兴·期中
名校
解题方法
6 . 若三棱锥的一条棱长为
,其余棱长均为1,体积是
,则函数
在其定义域上为
![](https://img.xkw.com/dksih/QBM/2013/1/15/1571098783989760/1571098789027840/STEM/7199c446712a425d8111c3691e2e2ac4.png)
![](https://img.xkw.com/dksih/QBM/2013/1/15/1571098783989760/1571098789027840/STEM/976696466f2b416f888235ab57a41088.png)
![](https://img.xkw.com/dksih/QBM/2013/1/15/1571098783989760/1571098789027840/STEM/976696466f2b416f888235ab57a41088.png)
A.增函数且有最大值 | B.增函数且没有最大值 |
C.不是增函数且有最大值 | D.不是增函数且没有最大值 |
您最近一年使用:0次
2016-12-02更新
|
1063次组卷
|
4卷引用:北京市清华大学附属中学朝阳学校2021-2022学年高一3月质量检测数学试题
北京市清华大学附属中学朝阳学校2021-2022学年高一3月质量检测数学试题(已下线)2012-2013学年浙江省桐乡一中高二上期中考试理科数学试卷2015-2016学年广西武鸣县高中高二上段考文科数学试卷2015-2016学年广西武鸣县高中高二上段考理科数学试卷
7 . 一个几何体的三视图如图所示,其俯视图为正三角形,则这个几何体的体积为
![](https://img.xkw.com/dksih/QBM/2014/4/25/1571662821244928/1571662826291200/STEM/8da4ee3950824b1d80d546003e2fbb94.png)
![](https://img.xkw.com/dksih/QBM/2014/4/25/1571662821244928/1571662826291200/STEM/8da4ee3950824b1d80d546003e2fbb94.png)
A.12![]() | B.36![]() | C.27![]() | D.6 |
您最近一年使用:0次
名校
解题方法
8 . 如图,在透明塑料制成的长方体
容器内灌进一些水(未满),将容器底面一边BC固定于地面上,再将容器倾斜,随着倾斜度的不同,有下列四种说法:
②棱
始终与水面
平行;
③水面四边形
的面积不改变;
④当
,且
时,
是定值.
其中所有正确的命题的序号是______ .(请在横线上写出所有正确答案的序号,错选不得分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
②棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
③水面四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988a1bc5976c40ba061816c962b4ed31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a491fbeec6cd211ce0a55fefae893c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74df87fcc553dcb1d4d042252383b037.png)
其中所有正确的命题的序号是
您最近一年使用:0次
9 . 如图,在六面体
中,平面
平面
,四边形ABCD与四边形
是两个全等的矩形,
,
,
平面ABCD,
,
,
,则六面体
的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04de6e3d84ddf7da3dc4fab26e59df46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590dd3b109776fa5521dfc9eecdfb87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00194912b2521c3fe54d3b0af7563e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44c59421cc4ae05d95fec5ac13a761c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ef1ff132a7d10e2ab527571e61612c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d0fdc5a00ca0e857b89a7e1420df29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.288 | B.376 | C.448 | D.600 |
您最近一年使用:0次
名校
解题方法
10 . 如图,四棱锥
中,底面
为矩形,
与平面
垂直,E为
的中点.
平面
;
(2)若
,
,
,求四棱锥
的体积.
![](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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2bc3dd1f1ae5d5e28b0366f454ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98823cbc09ca52df1fbcc446eba3e44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
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