名校
解题方法
1 . 在
中,角
,
,
的对边分别是
,
,
且
.
(1)求角
的大小;
(2)若
,
为
的中点,
,求
.
![](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/a92fe113cbecdb1a22767f2345e8864e.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8791c2265b45b81b975e6cfd5f897c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 . 在
中,角
的对边分别为
已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8c4702389edb63ed7684c77e1e42d7.png)
(1)求角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)过
作
,交线段
于D,且
,求角
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b378a2df371f5ff1815c03a84f571229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c243d4b46168b6c1f6c8185ab1889f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8c4702389edb63ed7684c77e1e42d7.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd91c7d3b33e64035a647b4164ac2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e01f67436acdc3de8899395a075df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解题方法
3 .
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27dfc74c26845249812ae582dcb273e8.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
名校
解题方法
4 . 在
中,
分别为角
的对边),则
的形状可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5cb38698873f6e2adfa6a198aa83bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.正三角形 | B.直角三角形 |
C.等腰直角三角形 | D.等腰三角形 |
您最近一年使用:0次
名校
解题方法
5 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bdc96d6e4413fd0eb3682a0aee9d22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c2735750c32b2ec9f2573eac1a8732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f836227e26a8b2a724a1fb58bf4f9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-24更新
|
1664次组卷
|
3卷引用:湖南省长沙市长郡中学2024届高三下学期二模考试数学试题
名校
解题方法
6 . 在
中,
分别是角
的对边,且满足
.
(1)求角
的大小;
(2)若
为
的中点且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b041299d8a297daa0dc50b352c36659f.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6b15e5281438df0fd041edb6af54cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e68edcc956f523102e8ed94b1aa98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-07更新
|
1133次组卷
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3卷引用:湖南省衡阳市衡阳县第一中学2023-2024学年高二下学期4月期中考试数学试题
名校
解题方法
7 .
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9466c03e27a16d68f668515cac7e4d7e.png)
A.1 | B.![]() | C.![]() | D.2 |
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2024-03-21更新
|
688次组卷
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3卷引用:湖南省湘潭市2024届高三下学期3月质量检测数学试题
8 . 已知函数
,
,
,若
的最小值为
,且
,则
的单调递增区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da607e97f44612f08bc395d1d2ef1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8946ef75a9987cc5fdbbd06ddff46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fbff1b0051482da340e83365433884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafff75694ce48918cb9ef1c23e19d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-12更新
|
1006次组卷
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2卷引用:湖南师范大学附属中学(思沁校区)2023-2024学年高三下学期3月月考数学试题
名校
解题方法
9 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3007dbaaec60c1bbfd1e208b8080a01.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b903f300ae0900720f1ff6b5b814b7b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91dcaedfa7eca3e53a5375f014679a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb69f20f9dbdf6de15abba2afb10431c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3007dbaaec60c1bbfd1e208b8080a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b903f300ae0900720f1ff6b5b814b7b.png)
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2024-03-09更新
|
545次组卷
|
2卷引用:湖南省新高考十八校联盟2024届高三下学期3月月考数学试题
名校
解题方法
10 . 已知
的内角A,B,C的对边分别为a,b,c,∠A的平分线交BC于点D,且
.
(1)求A:
(2)若
,
的周长为15,求AD的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734446184404c963cd3577a539686975.png)
(1)求A:
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-03-06更新
|
1251次组卷
|
3卷引用:湖南省宁乡市实验中学等多校联考2024届高三下学期一轮复习总结性考试(月考)数学试题