名校
解题方法
1 . 已知H为锐角
的垂心,
为三角形的三条高线,且满足
.
(1)求
的值.
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c42f73b6b4cd5308071e6bedb83049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08780735db84cfe4613304816ea1f345.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886b61e4af09efae8e83ad80ca026deb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e4bb3d456a5d7e0dc07c854851a914.png)
您最近一年使用:0次
解题方法
2 . 记△ABC的内角A,B,C的对边分别为a,b,c,
,
.
(1)求△ABC的面积;
(2)若
,求△ABC的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ea28b7e31d0172ae158e98a81cb55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee75d1b742854ac7dd04caf3b6f91a3.png)
(1)求△ABC的面积;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1674086aa5873b46656d8a73581de16.png)
您最近一年使用:0次
2022-07-12更新
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841次组卷
|
2卷引用:辽宁省六校2022-2023学年高二上学期期初考试数学试题