如图,在Rt△ABC中,∠A=90°,D为BC上一点,F为AB上一点,∠BDF=½∠ACB,BE⊥DF于E.(1)\x05若AB=AC,①∠FBE的度数为---------------.②试探究BE与DF的数量关系并证明;(2)若AB=k•AC,试探究BE于DF间数量关系
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![如图,在Rt△ABC中,∠A=90°,D为BC上一点,F为AB上一点,∠BDF=½∠ACB,BE⊥DF于E.(1)\x05若AB=AC,①∠FBE的度数为---------------.②试探究BE与DF的数量关系并证明;(2)若AB=k•AC,试探究BE于DF间数量关系](/uploads/image/z/1806314-50-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8Rt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0A%3D90%C2%B0%2CD%E4%B8%BABC%E4%B8%8A%E4%B8%80%E7%82%B9%2CF%E4%B8%BAAB%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E2%88%A0BDF%3D%26%23189%3B%E2%88%A0ACB%2CBE%E2%8A%A5DF%E4%BA%8EE.%281%29%5Cx05%E8%8B%A5AB%3DAC%2C%E2%91%A0%E2%88%A0FBE%E7%9A%84%E5%BA%A6%E6%95%B0%E4%B8%BA---------------.%E2%91%A1%E8%AF%95%E6%8E%A2%E7%A9%B6BE%E4%B8%8EDF%E7%9A%84%E6%95%B0%E9%87%8F%E5%85%B3%E7%B3%BB%E5%B9%B6%E8%AF%81%E6%98%8E%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5AB%3Dk%26%238226%3BAC%2C%E8%AF%95%E6%8E%A2%E7%A9%B6BE%E4%BA%8EDF%E9%97%B4%E6%95%B0%E9%87%8F%E5%85%B3%E7%B3%BB)
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