矩形ABCD中,AB=4,BC=6,M是BC的中点,DE垂直AM,E是垂足.(1)求DE的长(2)求三角形ADE的面积
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![矩形ABCD中,AB=4,BC=6,M是BC的中点,DE垂直AM,E是垂足.(1)求DE的长(2)求三角形ADE的面积](/uploads/image/z/12420733-13-3.jpg?t=%E7%9F%A9%E5%BD%A2ABCD%E4%B8%AD%2CAB%3D4%2CBC%3D6%2CM%E6%98%AFBC%E7%9A%84%E4%B8%AD%E7%82%B9%2CDE%E5%9E%82%E7%9B%B4AM%2CE%E6%98%AF%E5%9E%82%E8%B6%B3.%EF%BC%881%EF%BC%89%E6%B1%82DE%E7%9A%84%E9%95%BF%EF%BC%882%EF%BC%89%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ADE%E7%9A%84%E9%9D%A2%E7%A7%AF)
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