在锐角
中,
,
的面积为
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e46715d902ab72ae5fe3d71a75e258b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a554e03744b5befe9e0939377dafa8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
2023高三上·全国·专题练习 查看更多[2]
更新时间:2023-12-19 15:10:41
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相似题推荐
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】若
,
都是锐角,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e89fafe123b13a59fdff990cd2c7127.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/852fa088d3b348c8a418ab5c3b977ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab0f0e61713a059fc61832522acab1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e89fafe123b13a59fdff990cd2c7127.png)
您最近一年使用:0次
填空题-单空题
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较易
(0.85)
名校
解题方法
【推荐1】在△ABC中,A=60°,b=1,S△ABC=
,则
=____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bae33441773f20041b0fe0db280d9a.png)
您最近一年使用:0次
填空题-单空题
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较易
(0.85)
【推荐1】如图正方体
中,E、F分别是
、
中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942948cd9d6af54e4c94e4c91cc42bbe.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942948cd9d6af54e4c94e4c91cc42bbe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/21230702-47f3-4eb0-a1bb-373cbd8375c4.png?resizew=162)
您最近一年使用:0次
填空题-单空题
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解题方法
【推荐2】
的内角
,
,
的对边分别为
,
,
,
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774cd650f14c8f6e4fe0c6a432768bb.png)
________ .
![](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/ae9f1d3ad97f5636067e5d2fb7abd12e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf530176292c760d6c2fbc9a364f2fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774cd650f14c8f6e4fe0c6a432768bb.png)
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