1 . 如图是某几何体的三视图,则该几何体的外接球的表面积为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/28b25d70-6a90-4035-8c7f-f3c6cadc032a.png?resizew=131)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/28b25d70-6a90-4035-8c7f-f3c6cadc032a.png?resizew=131)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知一个几何体的三视图如图所示(正方形边长为
),则该几何体的体积为
![](https://img.xkw.com/dksih/QBM/2018/3/23/1908546740297728/1912448986808320/STEM/53e9c115ca0c42618f582060c6e3aa9c.png?resizew=230)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/2018/3/23/1908546740297728/1912448986808320/STEM/53e9c115ca0c42618f582060c6e3aa9c.png?resizew=230)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-03-29更新
|
532次组卷
|
3卷引用:四川省凉山州2018届高三毕业班第二次诊断性检测数学(理科)试题
解题方法
3 . 如图,在四棱锥
中,平面
平面
,
,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/0d62ae66-ccfe-44ca-b90f-3a9d8209794f.png?resizew=190)
(1)求证:
平面
;
(2)求四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0453cfd7e92bf7746a88280b9e7b580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958330f56d75b05fbf9144e6fd458be4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/0d62ae66-ccfe-44ca-b90f-3a9d8209794f.png?resizew=190)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8922620e649f55d79118cbabf947a8fa.png)
您最近一年使用:0次
解题方法
4 . 如图,网格纸上小正方形的边长为1,粗线画的是一个几何体的三视图,则该几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/5/cb0e340d-9f56-4925-bdfc-18110aec28a9.png?resizew=143)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/5/cb0e340d-9f56-4925-bdfc-18110aec28a9.png?resizew=143)
A.3 | B.![]() | C.7 | D.![]() |
您最近一年使用:0次
2017-12-15更新
|
347次组卷
|
2卷引用:四川省凉山州2018 届高三毕业班第一次诊断性检测数学试题
5 . 如图,已知四棱锥
的底面为等腰梯形,
,
,垂足为
,
是四棱锥的高.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
平面
;
(Ⅱ)若
,
60°,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e7f748d88b4eadfd1643c6b31fdf08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048d4a8bb19a9c645764c74bfa932b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
2019-01-30更新
|
2880次组卷
|
8卷引用:四川省凉山州2018届高三毕业班第二次诊断性检测数学(文科)试题
四川省凉山州2018届高三毕业班第二次诊断性检测数学(文科)试题2010年普通高等学校招生全国统一考试(全国卷)新课标文科数学(已下线)2013届云南景洪第一中学高三上期末考试文科数学试卷(已下线)2010年南安一中高二下学期期末考试(文科)数学卷人教B版 必修2 必杀技 第一章 1.2.3 空间中的垂直关系课时2 平面与平面垂直山东省济南市历城区济钢高级中学2019-2020学年高一下学期期中数学试题(已下线)山东省济钢高中2019-2020学年高一下学期5月考试数学试题陕西师范大学附属中学2020-2021学年高一上学期12月月考数学试题
6 . 某三棱锥的三视图如图所示,该三棱锥的体积是
![](https://img.xkw.com/dksih/QBM/2017/5/26/1695369071976448/1736965899198464/STEM/e7f46d26f4f74410b32446fee2493005.png?resizew=181)
![](https://img.xkw.com/dksih/QBM/2017/5/26/1695369071976448/1736965899198464/STEM/e7f46d26f4f74410b32446fee2493005.png?resizew=181)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 如图,已知四边形
和
均为直角梯形,
,
且
,平面
平面
,
.
![](https://img.xkw.com/dksih/QBM/2017/1/20/1619466607820800/1619466608386048/STEM/22add5445d3441f58b75dc7d5665f086.png)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693cd6179b2a92f03153ce12a0e86b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc3c947dc4deaf4eb5266772e43bee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1057fba69b1554ceff580f73dbb28ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693cd6179b2a92f03153ce12a0e86b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502fda7d60b3aa884b23094fac16ab63.png)
![](https://img.xkw.com/dksih/QBM/2017/1/20/1619466607820800/1619466608386048/STEM/22add5445d3441f58b75dc7d5665f086.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2fef2c0e49ecae8688ca60802310e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb02b8cf678a0e9e5fdb3e3acc49f14a.png)
您最近一年使用:0次
2017-02-08更新
|
1007次组卷
|
2卷引用:2017届四川凉山州高三文上学期一诊考试数学试卷
解题方法
8 . 设正三棱柱
中,
,
,则该正三棱柱外接球的表面积是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f2185273bf04c11118c7954f7ec822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657d5471e57b894c3833bb3f43ff38ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
您最近一年使用:0次
9 . 某四棱锥的三视图如图所示,该三棱锥的体积是
![](https://img.xkw.com/dksih/QBM/2017/1/20/1619466607820800/1619466608009216/STEM/dea4a19b36594e708d31fb3e66a3955e.png)
![](https://img.xkw.com/dksih/QBM/2017/1/20/1619466607820800/1619466608009216/STEM/dea4a19b36594e708d31fb3e66a3955e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 某几何体的三视图如图所示,其中俯视图是个半圆,则该几何体的表面积为( )
![](https://img.xkw.com/dksih/QBM/2016/5/26/1572650359750656/1572650365698048/STEM/72db055394b74e48be7ec87d04938715.png?resizew=199)
![](https://img.xkw.com/dksih/QBM/2016/5/26/1572650359750656/1572650365698048/STEM/72db055394b74e48be7ec87d04938715.png?resizew=199)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-05-26更新
|
430次组卷
|
9卷引用:2016届四川凉山州高三第三次诊断数学(理)试卷
2016届四川凉山州高三第三次诊断数学(理)试卷2016届四川凉山州高三第三次诊断数学(文)试卷2015届湖北省荆门市高三元月调研考试理科数学试卷2015届福建省福州市第八中学高三毕业班第六次质量检查理科数学试卷【全国百强校】湖南省长沙市雅礼中学2019届高三上学期月考(一)数学(文)试题2015-2016学年重庆市八中高二下期中文科数学试卷(已下线)1.7.1 简单几何体的侧面积(课时作业)-2018版步步高学案导学与随堂笔记数学(北师大版必修2)湖北省宜昌市葛洲坝中学2018-2019学年高二上学期期末考试数学(文)试题人教B版 必修2 必杀技 第一章 专题1 空间几何体的结构,三视图与表面积、体积