解题方法
1 . 已知点
满足
,则满足条件的
所形成的平面区域的面积为①________ ,
的最大值为②________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599387461626a8e56841c379f3874f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba48fd3e6003e39218b7a5f43e81afaf.png)
您最近一年使用:0次
2020-07-04更新
|
138次组卷
|
2卷引用:浙江省金华市义乌市2020届高三下学期高考适应性考试数学试题
2 . 如图,矩形
中,
,将
沿对角线
向上翻折,若翻折过程中
长度在
内变化,则点
所形成的运动轨迹的长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b5e6eba51b4933b7886431bea7f52b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f157079b7b18bc60b1294575c289b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/e5d701e0-1d1d-4bb7-84de-21bb79711372.png?resizew=228)
您最近一年使用:0次