名校
解题方法
1 . 球面三角学是球面几何学的一部分,主要研究球面多边形(特别是三角形)的角、边、面积等问题,其在航海、航空、卫星定位等方面都有广泛的应用.定义:球的直径的两个端点称为球的一对对径点;过球心的平面与球面的交线称为该球的大圆;对于球面上不在同一个大圆上的点
,
,
,过任意两点的大圆上的劣弧
,
,
所组成的图形称为球面
,记其面积为
.易知:球的任意两个大圆均可交于一对对径点,如图1的
和
;若球面上
,
,
的对径点分别为
,
,
,则球面
与球面
全等.如图2,已知球
的半径为
,圆弧
和
所在平面交成的锐二面角
的大小为
,圆弧
和
所在平面、圆弧
和
所在平面交成的锐二面角的大小分别为
,
.记
.
![](https://img.xkw.com/dksih/QBM/2022/6/18/3003864495038464/3005607105249280/STEM/19bb80d1a89a48fe99515b4e88cb5894.png?resizew=426)
(1)用
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e0d68d07743567ceddce8be857d082.png)
__________ .
(2)用
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3a342fb5b1a475ed060e482b5df011.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3761d19de9331c86f313fb92cea27d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d013031cae9acab04f40369d49437e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19c1bcb8431ae315ecd29c6478d3eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e712e6bcf935c4b58fcbd75fc7a38622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3761d19de9331c86f313fb92cea27d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f95817a8ecb0cdea4e20bfd9911ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c466e74381062eef21a0145277e5e45.png)
![](https://img.xkw.com/dksih/QBM/2022/6/18/3003864495038464/3005607105249280/STEM/19bb80d1a89a48fe99515b4e88cb5894.png?resizew=426)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325a5be295a97a211449b629ddb563d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e0d68d07743567ceddce8be857d082.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0238cd62a4b1b8f3bbad83953bb60d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3a342fb5b1a475ed060e482b5df011.png)
您最近一年使用:0次
名校
解题方法
2 . 已知一个正三棱锥的底面边长为2,高为
,则该正三棱锥的全面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
您最近一年使用:0次
名校
3 . 如图,棱长为1的正方体
中,
为线段
上的动点,则下列结论中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/bfd7656f-abfd-4335-bd86-7f8047b859a9.png?resizew=172)
①平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36118a9e86f87ae75f554f8a3fcdb39d.png)
②
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
③
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2679dd29db749b3bc8a407793a0828.png)
④
与平面
所成角正弦值的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f911cf6124dc2521e02b114bb6c9e1.png)
⑤三棱锥
外接球体积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998b456c6884c6f5fc8cd4c73c7f07f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/bfd7656f-abfd-4335-bd86-7f8047b859a9.png?resizew=172)
①平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc3141b0ee5994a18e725bbd8a79d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36118a9e86f87ae75f554f8a3fcdb39d.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6913da03b6e87d163d17c1dc34295c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2814a0d93a9cafb77e63a82cd9b67a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2679dd29db749b3bc8a407793a0828.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6a51a168f6a3c308fcfcede6406aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f911cf6124dc2521e02b114bb6c9e1.png)
⑤三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3242f7e6a180150c11b2af1f216cf9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998b456c6884c6f5fc8cd4c73c7f07f1.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
解题方法
4 . 如图,该球O与圆柱
的上、下底面及母线均相切.若球O的体积为
,则圆柱
的表面积为( )
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758143769706496/2779884914974720/STEM/982d85caee274b199d1350ec72a74114.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758143769706496/2779884914974720/STEM/982d85caee274b199d1350ec72a74114.png?resizew=184)
A.4π | B.5π | C.6π | D.7π |
您最近一年使用:0次
名校
解题方法
5 . 如图,正方体
的棱长为2,点
为底面
的中心,点
在侧面
的边界及其内部运动,且
.给出下列结论:
;
②三棱锥
的体积为定值;
③点P在线段CE上(E为BB1的中点);
④
面积的最大值为2.
其中所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93445126af2787c798f2274ef59b8d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a90b6295d016361521536b2782e550.png)
②三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d95cd970fa5f9ce1027aa72e906f477.png)
③点P在线段CE上(E为BB1的中点);
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec2128a422ecc40f12498fc8b6b2868.png)
其中所有正确结论的序号是
您最近一年使用:0次
2021-08-05更新
|
630次组卷
|
4卷引用:北京市丰台区2020-2021学年高一下学期期末数学试题
名校
解题方法
6 . 如图,在四棱锥P-ABCD中,底面ABCD是正方形,侧面
底面ABCD,E为侧棱PD上一点.
平面ABE;
(II)求证:
;
(III)若E为PD中点,平面ABE与侧棱PC交于点F,且
,求四棱锥P-ABFE的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6785c7c85a503531649f9c9b4cbfcf04.png)
(II)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dac702fe64edf1bc265da4b98cf2a0.png)
(III)若E为PD中点,平面ABE与侧棱PC交于点F,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931bbffda5e872703c9947eccc47ede2.png)
您最近一年使用:0次
2020-11-06更新
|
1173次组卷
|
6卷引用:北京市丰台区 2019—2020 学年度 高一下学期期末练习数学试题
解题方法
7 . 如图所示,球内切于正方体.如果该正方体的棱长为a,那么球的体积为( )
![](https://img.xkw.com/dksih/QBM/2020/11/5/2586653462437888/2587383058153472/STEM/09fcbf0626834835a76328987304cdca.png?resizew=206)
![](https://img.xkw.com/dksih/QBM/2020/11/5/2586653462437888/2587383058153472/STEM/09fcbf0626834835a76328987304cdca.png?resizew=206)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 各棱长均为
的三棱锥的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-19更新
|
662次组卷
|
2卷引用:北京市丰台区2023-2024学年高一下学期期中考试数学试题(B卷)
名校
9 . 已知圆柱的侧面展开图是一个边长为
的正方形,则这个圆柱的体积是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-10更新
|
794次组卷
|
3卷引用:北京市丰台区2018-2019学年高一第二学期期末数学试题
名校
解题方法
10 . 已知圆柱的底面圆的半径为2,高为3,则该圆柱的侧面积为________ .
您最近一年使用:0次
2019-08-01更新
|
1050次组卷
|
12卷引用:北京市丰台区2016-2017级高一下学期期中考试数学A卷试题
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