在
中,
为
的角平分线,D在
上,且
,则
面积的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5e30f37c5be1b607c71e214a679624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
22-23高二上·安徽芜湖·期中 查看更多[2]
更新时间:2023-03-13 09:43:15
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【知识点】 轨迹问题——圆
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填空题-双空题
|
适中
(0.65)
解题方法
【推荐1】平面四边形ABCD中,
,E为BC的中点,用
和
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
______ ;若
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7170591f38b5f1cc0806d52b435d481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6933a9aed245548551418e737d2f062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a46d2a7a3ac13a7642db7696c8672.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】在平面直角坐标系
中,
为坐标原点,点
,若圆
上存在动点
满足
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f94c4f6b762fddb0e313050ef6932eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c4dd70c85ce842fff8ccbd74bfcf52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed154dc722c0576255346d7f237969ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次