在RT△ABC中AB=AC,∠BAC=90°,E,F是BC上的两点,且∠EAF=45°,判断以BE,EF,FC为边的三角形形状!
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![在RT△ABC中AB=AC,∠BAC=90°,E,F是BC上的两点,且∠EAF=45°,判断以BE,EF,FC为边的三角形形状!](/uploads/image/z/2437376-32-6.jpg?t=%E5%9C%A8RT%E2%96%B3ABC%E4%B8%ADAB%3DAC%2C%E2%88%A0BAC%3D90%C2%B0%2CE%2CF%E6%98%AFBC%E4%B8%8A%E7%9A%84%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E2%88%A0EAF%3D45%C2%B0%2C%E5%88%A4%E6%96%AD%E4%BB%A5BE%2CEF%2CFC%E4%B8%BA%E8%BE%B9%E7%9A%84%E4%B8%89%E8%A7%92%E5%BD%A2%E5%BD%A2%E7%8A%B6%21)
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