名校
1 . 在锐角三角形
中,角
、
、
的对边分别为
、
、
,若
,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/4f071bb360d3449234aa61fd8e571b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8385b075c002cc408de9ca4b75607c0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-02-09更新
|
910次组卷
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4卷引用:安徽省阜阳市界首市2019-2020学年高二上学期期末数学(理)试题
2 . 在
中,角
、
、
的对边分别为
、
、
,
.
(1)若
,求
的最大值;
(2)若
,
,
为
的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/df5f2bc211569a6843bcc21ee358ea38.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d6adfa8fb1352679c5185258d842a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69225cfdfbc0a9a1ccfdd15c46353b8f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1892446e9f5c057a6d72a64065d01ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2020-02-09更新
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5卷引用:安徽省阜阳市界首市2019-2020学年高二上学期期末数学(理)试题
名校
3 . 如图,四边形
中,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/aa3ceba9-5f8c-4f3c-b3b5-3a56ef57229e.png?resizew=146)
(1)若
,求
.
(2)若
,求
长度的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e3fa43e765646223675ef9bbd6d2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86645030b883ec997ebf7a3b8d848eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/27/aa3ceba9-5f8c-4f3c-b3b5-3a56ef57229e.png?resizew=146)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b183cb878f2ceedad8d780514dcc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58195e8ee6f342c1641d9e88ff986f56.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06201e4f55b78d8b30afb257d5a1b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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2020-02-27更新
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7卷引用:安徽省六安市舒城中学2019-2020学年高二下学期第一次月考数学(文)试题
名校
4 . 在钝角
中,已知
,
,则最大边
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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|
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3卷引用:安徽省亳州市第二中学2018-2019学年高二上学期期中数学(理)试题
名校
5 . 在
中,角
、
、
所对的边分别为
、
、
,
,
,且
.
(1)求角
的大小;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/ed6ee3579002e54dc41fff5d981e779a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5bd87eba9e416e9e568c6c91fc8c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c7703ccedca014a2aa6218fb2de6ef.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74094c51b5ee19992e12e98bfab66d77.png)
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2019-10-09更新
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7卷引用:安徽省淮北市相山区师范大学附属实验中学2019-2020学年高二上学期期末数学(理)试题
名校
解题方法
6 . 在
中,角
所对的边分别为
满足,
,
,
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155ecc4a22a0933429ed61e214a7aa27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00a7d61d26b2964477debd838300b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cf6a3813389ee07b5b5fac1f2aa50a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-27更新
|
482次组卷
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9卷引用:2016-2017学年安徽六安一中高二上理周末检测三数学试卷
2016-2017学年安徽六安一中高二上理周末检测三数学试卷安徽省芜湖一中2018-2019学年高一下学期阶段性测试(一)数学试题2015届江西省上饶市重点中学高三六校第一次联考理科数学试卷(已下线)《2018届优生-百日闯关系列》数学专题 一 第五关 以向量与解析几何、三角形等相结合为背景的选择题江苏省苏州市陆慕高级中学2019-2020学年高一下学期阶段性考试数学试题江苏省如皋中学、丹阳高级中学、泗阳致远中学2021-2022学年高一上学期创新班12月联考数学试题江苏省扬州市江都区丁沟中学2022-2023学年高一下学期期中热身训练数学试题2023版 湘教版(2019) 必修第二册 过关斩将 第2章 本章复习提升(已下线)第1套 全真模拟卷 (基础)【高一期末复习全真模拟】