已知
的内角
,
,
所对的边分别为
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4ae4dc6b37ca200a7b25be879e7f47.png)
,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/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/8b4ae4dc6b37ca200a7b25be879e7f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31d8738098c2e907f41924e192c24c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-06-15 10:27:53
|
相似题推荐
单选题
|
适中
(0.65)
解题方法
【推荐1】已知
均为锐角,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936d946492774753d3846d8cb77bc1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e82569d3ecc6f744bb8b5286c70f24d.png)
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您最近一年使用:0次
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(0.65)
名校
【推荐2】已知
,点
在直线
上,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de92874f51b80179d42e3df6953d5129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e75a96ebf269a6b400e25f75479f9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
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您最近一年使用:0次
单选题
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适中
(0.65)
名校
【推荐1】已知
的内角
满足
,且
的面积等于
,则
外接圆面积等于
![](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/d4f42e127ce03aef2fcca7709489cfae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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您最近一年使用:0次
单选题
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适中
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名校
解题方法
【推荐2】在
中,角
,
,
的对边分别为
,
,
,
,
,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/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/c66397b6212fe55a7690a48044099606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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您最近一年使用:0次
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【推荐1】已知
的三边
、
、
成等比数列,
、
、
所对的角依次为
、
、
. 则
的取值范围是
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/ec9f7cfe96ac468583073e16404e474c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/aabfa699f8584b1096e67a5cec097104.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/23b78f5bc6064feeae4b6ab45ed90a53.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/244d611610a34c60aa5affaa703c204c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/aabfa699f8584b1096e67a5cec097104.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/23b78f5bc6064feeae4b6ab45ed90a53.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/244d611610a34c60aa5affaa703c204c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/086d5cf0090144e0a3b5bf09dd8c95c8.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/ecc70596b26240d391deb4e79a2354ac.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/4127e0bd20b0499b8f09bb056da0fedd.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470528032768/1572470533636096/STEM/731ee969b24a4c8e92e5ca182ff9b131.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】在
中,角
所对的边分别是
,已知
,
,则
的取值范围是( )
![](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/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cfc207e8c5c30c954a24507c5ca086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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您最近一年使用:0次
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【推荐1】如图,在扇形
中,半径
,圆心角
,
是扇形弧上的动点,
是半径
上的动点,
.则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd6c71a0da6a878a5b12bf8a8e784645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07445aa3909818a3ef93bb01182f545f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa94bd35e038c38c4ed95bb757ea688.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/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3462c2ed8cf90fd7cb391c38bbe6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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您最近一年使用:0次
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【推荐2】点
是圆柱上底面圆周上一动点,
是圆柱下底面圆的内接三角形,已知在
中,内角
、
、
的对边分别为
、
、
,若
,
,三棱锥
的体积最大值为
,则该三棱锥外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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