AB为圆0的的直径,c为圆0上的一点,AD垂直面ABC,AE垂直BD于E,AF垂直CD于F,求证;BD垂直平面AEF
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![AB为圆0的的直径,c为圆0上的一点,AD垂直面ABC,AE垂直BD于E,AF垂直CD于F,求证;BD垂直平面AEF](/uploads/image/z/6883382-38-2.jpg?t=AB%E4%B8%BA%E5%9C%860%E7%9A%84%E7%9A%84%E7%9B%B4%E5%BE%84%2Cc%E4%B8%BA%E5%9C%860%E4%B8%8A%E7%9A%84%E4%B8%80%E7%82%B9%2CAD%E5%9E%82%E7%9B%B4%E9%9D%A2ABC%2CAE%E5%9E%82%E7%9B%B4BD%E4%BA%8EE%2CAF%E5%9E%82%E7%9B%B4CD%E4%BA%8EF%2C%E6%B1%82%E8%AF%81%EF%BC%9BBD%E5%9E%82%E7%9B%B4%E5%B9%B3%E9%9D%A2AEF)
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