如图,点A在CE上,AB交直线DF于点D,DF平行EC,∠BDC=∠ACB.1)用等式表示∠FDA与∠BDC的关系,并说明为什么.(2)若将直线DF绕着点D旋转交射线CE于点H(不包括与AB,CD重合的情况),请用等式表示∠ADH,∠A
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![如图,点A在CE上,AB交直线DF于点D,DF平行EC,∠BDC=∠ACB.1)用等式表示∠FDA与∠BDC的关系,并说明为什么.(2)若将直线DF绕着点D旋转交射线CE于点H(不包括与AB,CD重合的情况),请用等式表示∠ADH,∠A](/uploads/image/z/13266524-20-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%82%B9A%E5%9C%A8CE%E4%B8%8A%2CAB%E4%BA%A4%E7%9B%B4%E7%BA%BFDF%E4%BA%8E%E7%82%B9D%2CDF%E5%B9%B3%E8%A1%8CEC%2C%E2%88%A0BDC%3D%E2%88%A0ACB.1%29%E7%94%A8%E7%AD%89%E5%BC%8F%E8%A1%A8%E7%A4%BA%E2%88%A0FDA%E4%B8%8E%E2%88%A0BDC%E7%9A%84%E5%85%B3%E7%B3%BB%2C%E5%B9%B6%E8%AF%B4%E6%98%8E%E4%B8%BA%E4%BB%80%E4%B9%88.%EF%BC%882%EF%BC%89%E8%8B%A5%E5%B0%86%E7%9B%B4%E7%BA%BFDF%E7%BB%95%E7%9D%80%E7%82%B9D%E6%97%8B%E8%BD%AC%E4%BA%A4%E5%B0%84%E7%BA%BFCE%E4%BA%8E%E7%82%B9H%EF%BC%88%E4%B8%8D%E5%8C%85%E6%8B%AC%E4%B8%8EAB%2CCD%E9%87%8D%E5%90%88%E7%9A%84%E6%83%85%E5%86%B5%EF%BC%89%2C%E8%AF%B7%E7%94%A8%E7%AD%89%E5%BC%8F%E8%A1%A8%E7%A4%BA%E2%88%A0ADH%2C%E2%88%A0A)
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