三道初中几何题(跟正方形有关的)1.有正方形ABCD 边长为1BC、CD分别上有点E、F(不与B、C、D重合)使∠EAF=45°已知Rt△ECF=1/4问△AEF的面积为多少2.有正方形ABCD E为BC的中点,F为EC中点求证2∠BAE
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![三道初中几何题(跟正方形有关的)1.有正方形ABCD 边长为1BC、CD分别上有点E、F(不与B、C、D重合)使∠EAF=45°已知Rt△ECF=1/4问△AEF的面积为多少2.有正方形ABCD E为BC的中点,F为EC中点求证2∠BAE](/uploads/image/z/11640577-49-7.jpg?t=%E4%B8%89%E9%81%93%E5%88%9D%E4%B8%AD%E5%87%A0%E4%BD%95%E9%A2%98%EF%BC%88%E8%B7%9F%E6%AD%A3%E6%96%B9%E5%BD%A2%E6%9C%89%E5%85%B3%E7%9A%84%EF%BC%891.%E6%9C%89%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD+%E8%BE%B9%E9%95%BF%E4%B8%BA1BC%E3%80%81CD%E5%88%86%E5%88%AB%E4%B8%8A%E6%9C%89%E7%82%B9E%E3%80%81F%EF%BC%88%E4%B8%8D%E4%B8%8EB%E3%80%81C%E3%80%81D%E9%87%8D%E5%90%88%EF%BC%89%E4%BD%BF%E2%88%A0EAF%3D45%C2%B0%E5%B7%B2%E7%9F%A5Rt%E2%96%B3ECF%3D1%2F4%E9%97%AE%E2%96%B3AEF%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA%E5%A4%9A%E5%B0%912.%E6%9C%89%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD+E%E4%B8%BABC%E7%9A%84%E4%B8%AD%E7%82%B9%2CF%E4%B8%BAEC%E4%B8%AD%E7%82%B9%E6%B1%82%E8%AF%812%E2%88%A0BAE)
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