如图,在平面直角坐标系中,四边形OABC是正方形,点A,C分别在x轴,y轴上,且A(2,0)在线段AB上一个动点D,连接CD,过点C作CE垂直于CD交x轴于E,以CE,CD为邻边作矩形CEFD.(1)求证:矩形CEFD是正方形(2)若点D的
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![如图,在平面直角坐标系中,四边形OABC是正方形,点A,C分别在x轴,y轴上,且A(2,0)在线段AB上一个动点D,连接CD,过点C作CE垂直于CD交x轴于E,以CE,CD为邻边作矩形CEFD.(1)求证:矩形CEFD是正方形(2)若点D的](/uploads/image/z/6894101-29-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2OABC%E6%98%AF%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E7%82%B9A%2CC%E5%88%86%E5%88%AB%E5%9C%A8x%E8%BD%B4%2Cy%E8%BD%B4%E4%B8%8A%2C%E4%B8%94A%282%2C0%29%E5%9C%A8%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9D%2C%E8%BF%9E%E6%8E%A5CD%2C%E8%BF%87%E7%82%B9C%E4%BD%9CCE%E5%9E%82%E7%9B%B4%E4%BA%8ECD%E4%BA%A4x%E8%BD%B4%E4%BA%8EE%2C%E4%BB%A5CE%2CCD%E4%B8%BA%E9%82%BB%E8%BE%B9%E4%BD%9C%E7%9F%A9%E5%BD%A2CEFD.%281%29%E6%B1%82%E8%AF%81%3A%E7%9F%A9%E5%BD%A2CEFD%E6%98%AF%E6%AD%A3%E6%96%B9%E5%BD%A2%EF%BC%882%EF%BC%89%E8%8B%A5%E7%82%B9D%E7%9A%84)
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