已知多面体ABCDFE,四边形ABCD为矩形,AB//EF,AF垂直于BF,平面ABEF垂直于平面ABCD,O,M分别为AB,FC的重点,且AB=2,AD=EF=1.(1).求证:AF垂直于平面FBC(2).求证:OM//平面DAF.图有点模糊啦 、而且被我乱添了辅助
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![已知多面体ABCDFE,四边形ABCD为矩形,AB//EF,AF垂直于BF,平面ABEF垂直于平面ABCD,O,M分别为AB,FC的重点,且AB=2,AD=EF=1.(1).求证:AF垂直于平面FBC(2).求证:OM//平面DAF.图有点模糊啦 、而且被我乱添了辅助](/uploads/image/z/4975321-49-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A4%9A%E9%9D%A2%E4%BD%93ABCDFE%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%BA%E7%9F%A9%E5%BD%A2%2CAB%2F%2FEF%2CAF%E5%9E%82%E7%9B%B4%E4%BA%8EBF%2C%E5%B9%B3%E9%9D%A2ABEF%E5%9E%82%E7%9B%B4%E4%BA%8E%E5%B9%B3%E9%9D%A2ABCD%2CO%2CM%E5%88%86%E5%88%AB%E4%B8%BAAB%2CFC%E7%9A%84%E9%87%8D%E7%82%B9%2C%E4%B8%94AB%3D2%2CAD%3DEF%3D1.%281%29.%E6%B1%82%E8%AF%81%EF%BC%9AAF%E5%9E%82%E7%9B%B4%E4%BA%8E%E5%B9%B3%E9%9D%A2FBC%282%29.%E6%B1%82%E8%AF%81%EF%BC%9AOM%2F%2F%E5%B9%B3%E9%9D%A2DAF.%E5%9B%BE%E6%9C%89%E7%82%B9%E6%A8%A1%E7%B3%8A%E5%95%A6+%E3%80%81%E8%80%8C%E4%B8%94%E8%A2%AB%E6%88%91%E4%B9%B1%E6%B7%BB%E4%BA%86%E8%BE%85%E5%8A%A9)
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