名校
解题方法
1 . 已知圆锥的底面半径为
,高为2,
为顶点,
,
为底面圆周上两个动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.圆锥的体积为![]() |
B.圆锥侧面展开图的圆心角大小为![]() |
C.圆锥截面![]() ![]() |
D.若圆锥的顶点和底面上所有点都在同一个球面上,则此球的体积为![]() |
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2022-07-07更新
|
891次组卷
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6卷引用:安徽省池州市青阳县第一中学、青阳中学2022-2023学年高一下学期期中数学试题
名校
解题方法
2 . 一个倒置的圆锥形漏斗,底面半径是10cm,母线长是26cm,把一个球放在漏斗内,圆锥的底面正好和球相切,则这个球的体积是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-11-27更新
|
973次组卷
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2卷引用:安徽省池州市第一中学2020-2021学年高二上学期期中数学(文)试题
解题方法
3 . 已知某圆锥的轴截面是面积为
的等边三角形,球O内切于该圆锥.
(1)求该圆锥的高;
(2)求内切球O的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求该圆锥的高;
(2)求内切球O的体积.
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2020-04-24更新
|
859次组卷
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5卷引用:安徽省池州市2019-2020学年高二上学期期末理科数学试题
名校
4 . 如图,
是边长为2的正方形,其对角线
与
交于点
,将正方形
沿对角线
折叠,使点
所对应点为
,
.设三棱锥
的外接球的体积为
,三棱锥
的体积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51eb288a1a09e9f7ef094d2a5d66276.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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7ffb7889a31b267a85f1ea238138e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40489261347aaf1356b03ad7e4ae933e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5c6f918307097fc83013ef253baec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5c6f918307097fc83013ef253baec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8671d8229085d92d775fa6afdad161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51eb288a1a09e9f7ef094d2a5d66276.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/a6f3529c-e834-43e9-9371-37612c40e6f8.png?resizew=220)
您最近一年使用:0次
2019-04-10更新
|
376次组卷
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2卷引用:安徽省池州市第一中学2021-2022学年高一下学期5月月考数学试题