在直角坐标系中,有矩形ABCD,AB=4,BC=8,原点O是BC的中点,且沿对角线AC翻折△ACD,AD'与BC交于点点E(1)求点E的坐标:(2)求重合部分的面积(3)若过D E两点的直线与Y轴 交于点F,求点F的坐标.图在
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![在直角坐标系中,有矩形ABCD,AB=4,BC=8,原点O是BC的中点,且沿对角线AC翻折△ACD,AD'与BC交于点点E(1)求点E的坐标:(2)求重合部分的面积(3)若过D E两点的直线与Y轴 交于点F,求点F的坐标.图在](/uploads/image/z/10218802-58-2.jpg?t=%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E6%9C%89%E7%9F%A9%E5%BD%A2ABCD%2CAB%3D4%2CBC%3D8%2C%E5%8E%9F%E7%82%B9O%E6%98%AFBC%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E4%B8%94%E6%B2%BF%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E7%BF%BB%E6%8A%98%E2%96%B3ACD%2CAD%27%E4%B8%8EBC%E4%BA%A4%E4%BA%8E%E7%82%B9%E7%82%B9E%EF%BC%881%EF%BC%89%E6%B1%82%E7%82%B9E%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9A%EF%BC%882%EF%BC%89%E6%B1%82%E9%87%8D%E5%90%88%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF%EF%BC%883%EF%BC%89%E8%8B%A5%E8%BF%87D+E%E4%B8%A4%E7%82%B9%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8EY%E8%BD%B4+%E4%BA%A4%E4%BA%8E%E7%82%B9F%2C%E6%B1%82%E7%82%B9F%E7%9A%84%E5%9D%90%E6%A0%87.%E5%9B%BE%E5%9C%A8)
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