名校
1 . 如图,
是直角
斜边
上一点,
,记
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/21f3e2f4-f1fa-4109-90c9-66f4b456f27d.png?resizew=176)
(1)求证:
;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1b2a249841cb942fea24811feda9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b745b104d14c796fe555890201591b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/21f3e2f4-f1fa-4109-90c9-66f4b456f27d.png?resizew=176)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f791f319e1dfa28d11c35c55e5a45e2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76197132bfd3971b4293ee6f934cafb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
您最近一年使用:0次
2021-06-03更新
|
384次组卷
|
3卷引用:安徽省合肥市第八中学2021届高三下学期高考模拟最后一卷理科数学试题
名校
解题方法
2 . 在
中,角
所对的边分别为
,
为钝角,且
.
(Ⅰ)求证:
;
(Ⅱ)若
,求边
.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c622f23302d769b19dc11383dba28.png)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28956ebf0ebd38adb583b9970f9f8c6d.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e7c0f3d96fc4cdae8ba34bcecd42d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-08-07更新
|
496次组卷
|
2卷引用:江苏省苏州市高新区第一中学2021-2022学年高三上学期10月月考数学试题