名校
解题方法
1 . 已知△ABC的三个内角分别为A,B,C,且满足
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db37dfdf18935d3481d04d1cbb09d440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03005d17bf564371ad29fea41f5c650.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 在锐角三角形
中,已知
,
,
分别是角
,
,
的对边,且
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/c5a45a63decd6b4d1dd538b1eefc2f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-09-29更新
|
1049次组卷
|
6卷引用:贵州省新高考协作体2022-2023学年高二上学期入学质量检测数学试题
贵州省新高考协作体2022-2023学年高二上学期入学质量检测数学试题湖北省黄冈市黄梅国际育才高级中学2022-2023学年高三上学期期中数学试题广东省佛山市第一中学2023届高三上学期第三次月考数学试题(已下线)6.4.3 第2课时 正弦定理 (精讲)(2)【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)考点18 解三角形中的范围问题 --2024届高考数学考点总动员【练】(已下线)核心考点3 解三角形与实际应用 B提升卷 (高一期末考试必考的10大核心考点)
解题方法
3 . 如图所示为某学校的轮廓图,
,其中
为教学区,
,墙
长240米,
为校门区域,其中
,若要美化校门区域,决定在墙
与
上装饰高档墙贴,若已知该高档墙贴仅与墙的长度有关,则
( )时,美化墙体造价最低(其中
)
![](https://img.xkw.com/dksih/QBM/2022/7/28/3032426306166784/3033121599275008/STEM/94bc3cb27a27499ebfb8074331fd18e4.png?resizew=205)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b94651d11df3a469d7ac72e6ac74c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06aa91c5d3dc4e9791d4723aa2a345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6fc8321c3d03abb248cec13cf863c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4397f6e86c69e6b597e7e8635afbfb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b9851ce8fc3f98f26f491d05548f8f.png)
![](https://img.xkw.com/dksih/QBM/2022/7/28/3032426306166784/3033121599275008/STEM/94bc3cb27a27499ebfb8074331fd18e4.png?resizew=205)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 在△ABC中,D是BC边上一点,且BD=2DC=4,
,则AD的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
A.![]() | B.4 | C.![]() | D.2 |
您最近一年使用:0次
2021-12-24更新
|
987次组卷
|
5卷引用:贵州省2021-2022学年高二12月学业水平考试数学试题
贵州省2021-2022学年高二12月学业水平考试数学试题浙江省瑞安市第六中学2022-2023学年高二上学期学业水平合格性模拟考试数学试题(已下线)2020年高考全国3数学理高考真题变式题6-10题(已下线)解密07 三角函数恒等变换(讲义)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(全国通用)专题04D解三角形
名校
解题方法
5 . 在
中,内角
、
、
所对的边分别是
、
、
,且
.若角
的平分线交
于
点,且
.则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58296d4772a7cd31792f6a54e31e18f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35e54ba90576bd937528aa3eff15a89.png)
A.6 | B.7 | C.8 | D.9 |
您最近一年使用:0次
名校
解题方法
6 . 在
中,角
、
、
所对的边分别为
、
、
,若
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcfe49fc45e0689ee01c30fc5e5de06.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-11-14更新
|
276次组卷
|
2卷引用:贵州省凯里市第一中学2021-2022学年高二上学期期中考试数学(文)试题
7 . 在
中,设
,
,
分别为角
,
,
对应的边,记
的面积为
,且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b594f0c857601ea2032a783f9e168433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1a0f8877e8eba9d3681d1a81679587.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-10-25更新
|
405次组卷
|
4卷引用:贵州省六盘水市外国语学校2021-2022学年高二上学期期中考试数学试题
贵州省六盘水市外国语学校2021-2022学年高二上学期期中考试数学试题四川省南充市2022届高考适应性考试(零诊)理科数学试题(已下线)专题14 解三角形-2022年高考数学一轮复习小题多维练(新高考版)(已下线)考点18 正弦定理与余弦定理-备战2022年高考数学典型试题解读与变式
解题方法
8 . 在
中,角
,
,
所对的边分别为
,
,
.已知
,
,则
面积的最大值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ba04f8b8c6fb17dd5f9aae410725d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-02-06更新
|
330次组卷
|
5卷引用:贵州省龙里县九八五实验学校2020-2021学年高二上学期期末质量检测数学(文)试题
名校
解题方法
9 . 如图,在
二面角
内半径为
的圆
与半径为
的圆
分别在半平面
.
内,且与棱
切于同一点
,则以圆
与圆
为截面的球的表面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/b3aa3873-1d3f-48cf-8c9b-fbcf793d9b94.png?resizew=186)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/b3aa3873-1d3f-48cf-8c9b-fbcf793d9b94.png?resizew=186)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 在
中,内角A,B,C的对边分别为a,b,c,且
,
,则B的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6300ad1db4e57c89cd1c52c3b3af27b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次