名校
解题方法
1 . 如图,在扇形AOB中,
,
,点C在扇形AOB内部,
,
,则阴影部分的面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8ea58dc45bf719fa679db2ffa8a9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451156790ac81457a25bdfa06d867233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0590b80055f283b90bac195d99ccd44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
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3卷引用:专题03 解三角形(1)-期末考点大串讲(苏教版(2019))
(已下线)专题03 解三角形(1)-期末考点大串讲(苏教版(2019))甘肃省金昌市永昌县第一高级中学2023-2024学年高一下学期期中考试数学试卷上海市民办南模中学2023-2024学年高一下学期期末考试数学试卷
名校
解题方法
2 . 在
中,内角
的对边分别为
,且
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/8feb57f54a66ccf0aa37451e6816e902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.6 |
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736次组卷
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5卷引用:专题03 解三角形(2)-期末考点大串讲(苏教版(2019))
(已下线)专题03 解三角形(2)-期末考点大串讲(苏教版(2019))(已下线)专题05解三角形压轴小题归类(2) -期末考点大串讲(苏教版(2019))江西省多校联考2023-2024学年高一下学期5月教学质量检测数学试卷海南省海口市海南中学2023-2024学年高一下学期第二次月考(6月)数学试题河南省许昌市许昌高级中学2023-2024学年高一下学期6月月考数学试题
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3 . 如图,为了测量两山顶
间的距离,飞机沿水平方向在
两点进行测量,
在同一个铅垂平面内.已知飞机在
点时,测得
,在
点时,测得
,
千米,则
( )
(提示:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63368fb5c4feebe59c81bd5c90d8eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54cc97b5f2f221d172c2c98484c0bf02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80be421a052e5eb07a61115d89cdf9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351e0ae44264ea8e5f71e50f7cc53cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b3247afa684b10c8e1da99cf33d5b.png)
(提示:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b68f4ac11ec17ec3bee7e128dafaaaa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知
中,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2964fea2c107bbfd4a07fc97f4de5988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657921f28d9ebc92f154ac16d3599b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d75a838ebbe4ecb373ab5b92222883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72511f149a1b13af02d0e1421d3a63a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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403次组卷
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5卷引用:专题03 解三角形(1)-期末考点大串讲(苏教版(2019))
(已下线)专题03 解三角形(1)-期末考点大串讲(苏教版(2019))(已下线)第2套 全真模拟卷 (基础)【高一期末复习全真模拟】福建省晋江市养正中学2023-2024学年高一下学期5月期中考试数学试题陕西省西安市南开高级中学2023-2024学年高一下学期五月月考数学试卷(已下线)专题04 解三角形小题常考题型归类-期末考点大串讲(人教B版2019必修第四册)
2024高一下·江苏·专题练习
解题方法
5 . 已知
中,角A,B,C的对边分别为a,b,c,且
.
(1)求A
(2)若
,求
内切圆周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edca52778921c5479146ecbb56f6bd81.png)
(1)求A
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
6 . 已知
的内角A,B,C的对边分别为a,b,c,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d94f3cbe1c563cedea29cf05c7feee.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915d0f621785da734a5c5c9da0f39ada.png)
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f643616cd3d2459c506c8647641f081f.png)
,
外接圆面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e22bcc5c945421216c1cdba6453ba8.png)
(1)求A;
(2)求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d94f3cbe1c563cedea29cf05c7feee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24b9afb01483a5a90c9fe21b9cefd80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915d0f621785da734a5c5c9da0f39ada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8273c260813c85abf25b7ce7163d8cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f643616cd3d2459c506c8647641f081f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4537e903a5e152e6d69b0aa0e6e648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e22bcc5c945421216c1cdba6453ba8.png)
(1)求A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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4卷引用:专题03 解三角形(2)-期末考点大串讲(苏教版(2019))
(已下线)专题03 解三角形(2)-期末考点大串讲(苏教版(2019))福建省厦门市同安第一中学2023-2024学年高一下学期第一次月考数学试卷海南省海口市海南中学2023-2024学年高一下学期第二次月考(6月)数学试题(已下线)专题05 解三角形大题常考题型归类-期期末考点大串讲(人教B版2019必修第四册)
解题方法
7 . 在
中,角
所对的边分别为
若
且
的外接圆的半径为
则
面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132c2d8b2ff504e6c2ba36c4f6dcfaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a052fa2f7556dc5949c42389021a191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e76e6efb9da6fc4294e6d7b2076188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
8 . 在锐角
中,内角
,
,
的对边分别为
,
,
,且满足
.则
的取值范围为( )
![](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/820ceff02461fde56a0db6580dd55039.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b45f1b69668bbb9a7656368b81dd3e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
9 . 在
中,已知
,
,
,若存在两个这样的三角形
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7a3d679b4dae63575903387a76ce45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578b63c5903089595bf324c809a997c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-15更新
|
1553次组卷
|
4卷引用:专题05解三角形压轴小题归类(1) -期末考点大串讲(苏教版(2019))
(已下线)专题05解三角形压轴小题归类(1) -期末考点大串讲(苏教版(2019))(已下线)专题4 解三角形中的最值与范围问题【讲】(高一期末压轴专项)2024届湖北省高三普通高中5月联合质量测评数学试卷2024届广东省三模数学试题
名校
10 . 在
中,内角
的对边分别为
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/021dba58cee0e4fe823d87355de2069b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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