如图,Rt△ABC中,∠BAC=90°,AB=AC=2,点D在BC上运动(不能到达B,C),过D作∠ADE=45°,DE交AC于E.如图,在Rt△ABC中,∠BAC=90°,AB=AC=2,点D在BC上运动(不能到达B,C点),过D作∠ADE=45°,DE交AC于E.(1)求证:△ABD
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![如图,Rt△ABC中,∠BAC=90°,AB=AC=2,点D在BC上运动(不能到达B,C),过D作∠ADE=45°,DE交AC于E.如图,在Rt△ABC中,∠BAC=90°,AB=AC=2,点D在BC上运动(不能到达B,C点),过D作∠ADE=45°,DE交AC于E.(1)求证:△ABD](/uploads/image/z/3996060-60-0.jpg?t=%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0BAC%3D90%C2%B0%2CAB%3DAC%3D2%2C%E7%82%B9D%E5%9C%A8BC%E4%B8%8A%E8%BF%90%E5%8A%A8%28%E4%B8%8D%E8%83%BD%E5%88%B0%E8%BE%BEB%2CC%29%2C%E8%BF%87D%E4%BD%9C%E2%88%A0ADE%3D45%C2%B0%2CDE%E4%BA%A4AC%E4%BA%8EE%EF%BC%8E%E5%A6%82%E5%9B%BE%2C%E5%9C%A8Rt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0BAC%3D90%C2%B0%2CAB%3DAC%3D2%2C%E7%82%B9D%E5%9C%A8BC%E4%B8%8A%E8%BF%90%E5%8A%A8%EF%BC%88%E4%B8%8D%E8%83%BD%E5%88%B0%E8%BE%BEB%2CC%E7%82%B9%EF%BC%89%2C%E8%BF%87D%E4%BD%9C%E2%88%A0ADE%3D45%C2%B0%2CDE%E4%BA%A4AC%E4%BA%8EE%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E2%96%B3ABD)
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