解题方法
1 . 如图所示圆锥
中,
为底面的直径.
分别为母线
与
的中点,点
是底面圆周上一点,若
,
,圆锥的高为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/7e6c7737-8e52-4b2b-af91-453629c38943.png?resizew=160)
(1)求圆锥的侧面积
;
(2)求证:
与
是异面直线,并求其所成角的大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9654c9824b84dce1f840e3414c47ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdebc1592efdbdf58b9b0dd9ee725c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff1c07d3ab5f594be5fffe13ebaaccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01961669cd597f61fa48e9853d678bb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/7e6c7737-8e52-4b2b-af91-453629c38943.png?resizew=160)
(1)求圆锥的侧面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
您最近一年使用:0次
2022-12-15更新
|
855次组卷
|
2卷引用:上海市杨浦区2023届高三一模数学试题