已知抛物线
:
,
:
的焦点分别为
,
,一条平行于x轴的直线与
,
分别交于点A,B,若
,则四边形
的面积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5545195ade2bda359e683715332e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbff086dae0e9338c0c231505dfbe419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3fceb6e29c33495c46f64576166aac.png)
更新时间:2024-05-14 20:06:02
|
【知识点】 抛物线中的三角形或四边形面积问题
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】如图所示,过抛物线
的顶点O作两条互相垂直的弦,交抛物线于A、B两点.则△AOB面积的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be8225d7dab47575eda7972d166ad48.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/336d2854-5bfc-4254-9ebf-160c0f602cb6.png?resizew=158)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】抛物线
:
的焦点为F,点A,B,C在E上,O是坐标原点,若点F为
的重心,
,
,
的面积分别为
,
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d4d1749aff342733ad3953a9348adc.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fb4c7a4bf45e467b2d90f6325056c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff3b4de4a08843340abc16e10bbd3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716189b906950b7e8ee499e9b04f5b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d4d1749aff342733ad3953a9348adc.png)
您最近一年使用:0次