名校
解题方法
1 . 在
中,
,
平分
交
于点D,已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/d233882a-a1e3-4bbf-aae4-01216a547410.png?resizew=160)
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4474a2abc0e638b50e82de1c76ad02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d79e7020414add95907e061df505ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fda819f0b890ee07fae86000b8915d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/d233882a-a1e3-4bbf-aae4-01216a547410.png?resizew=160)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3716f4899e80487212cdd23b1ee8a342.png)
您最近一年使用:0次
2020-07-16更新
|
450次组卷
|
5卷引用:四川省资阳中学2022 届高三上学期第一次质量检测数学试题
解题方法
2 . 如图,在三角形
中,
,
,
平面
内的动点
与点A位于直线
的异侧,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e81767ab-bbbd-483d-9c7b-8da877747d1c.png?resizew=184)
(1)求
;
(2)求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66ead5ddf31d1780fd8682d0dc356b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588e8564c6276e95548a19b0ea1bef7d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/e81767ab-bbbd-483d-9c7b-8da877747d1c.png?resizew=184)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8baab87aaa703b3fe340e8fad36d4426.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2018-11-11更新
|
1427次组卷
|
3卷引用:【市级联考】四川省资阳市2019届高三第一次诊断性考试数学(理)试题