四棱锥
的三视图如图所示,四棱锥
的五个顶点都在一个球面上,则该球的表面积为( )
![](https://img.xkw.com/dksih/QBM/2020/6/30/2495657914843136/2496039210229760/STEM/74f381013100444dabc0657b01fcfa08.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://img.xkw.com/dksih/QBM/2020/6/30/2495657914843136/2496039210229760/STEM/74f381013100444dabc0657b01fcfa08.png?resizew=193)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·黑龙江哈尔滨·三模 查看更多[4]
黑龙江省哈尔滨市第六中学校2020届高三第三次模拟考试数学(文)试题(已下线)专题02+空间几何体的三视图和直观图(基础练)-2020-2021学年高一数学十分钟同步课堂练(人教版必修2)四川省凉山宁南中学2021-2022学年高二上学期开学考试数学(理)试题四川省凉山宁南中学2021-2022学年高二上学期开学考试数学(文)试题
更新时间:2020-06-30 22:27:41
|
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】已知
中,
,
,平面
外一点P满足
,则三棱锥
的外接球的表面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37750daa8ba3b3fe3e9e2092f81c848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59af29d9467fcbf816821d36e66deada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】某一简单几何体的三视图如图所示,该几何体的外接球的表面积是
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572936500887552/1572936506630144/STEM/7584462e53f846c1bfeb798820faad2f.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572936500887552/1572936506630144/STEM/7584462e53f846c1bfeb798820faad2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐3】将边长为2的正方形
沿对角线
折成直二面角
,现有如下4个命题:
①异面直线
与
所成的角为60°;
②
是直角三角形;
③
的面积为
;
④四面体
的外接球的表面积为
.
上述命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
①异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
④四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4986217611fc5eefe70fd217a9d5726a.png)
上述命题正确的是( )
A.①② | B.②③ | C.③④ | D.①④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐1】已知等边
的边长为2,将其沿边
旋转到如图所示的位置,且二面角
为
,则三棱锥
内切球的半径为( )
![](https://img.xkw.com/dksih/QBM/2022/5/19/2982824112971776/2984396512550912/STEM/06873b9f-0c8c-48e9-8971-95f99ef2caec.png?resizew=195)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62192430a0c0ddd3ac2602e4abc3989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bc09ca07b357a1ecf0c9588aa7030e.png)
![](https://img.xkw.com/dksih/QBM/2022/5/19/2982824112971776/2984396512550912/STEM/06873b9f-0c8c-48e9-8971-95f99ef2caec.png?resizew=195)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】三棱锥
中,
则三棱锥
的外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26418ff1b888c37279678479dc4dc82d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次