如图,四边形AOBC是的正方形,D为BC中点,以O为坐标原点,OA,OB所在的直线为坐标轴建立平面直角坐标系,A点坐标(0,4),过点D的反比例函数y=
(k≠0)的图象与边AC交于E点,F是线段OB上的一动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/767342ec-b277-4799-abe7-891592490a00.png?resizew=500)
(1)求k的值并直接写出 点E的坐标;
(2)若AD平分∠CAF,求出F点的坐标;
(3)若△AFD的面积为S1,△AFO的面积为S2 .若S1:S2=3:2,判断四边形AEFO的形状.并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/767342ec-b277-4799-abe7-891592490a00.png?resizew=500)
备用图
(1)求k的值并
(2)若AD平分∠CAF,求出F点的坐标;
(3)若△AFD的面积为S1,△AFO的面积为S2 .若S1:S2=3:2,判断四边形AEFO的形状.并说明理由.
2022·山东济南·一模 查看更多[1]
更新时间:2022-04-30 11:30:31
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【推荐2】如图在平面直角坐标系中,已知△ABO的顶点坐标分别是A(3,3),B(﹣2,2),O(0,0).
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【推荐1】如图,在
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