正方形ABCD边长为16,F在AD边上,E为AB延长线上一点,且角FCE=90度,如果S三角1、正方形ABCD边长为16,F在AD边上,E为AB延长线上一点,且角FCE=90度,如果S三角形FCE=200 求BE的长2、已知菱形有一个内角位12
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![正方形ABCD边长为16,F在AD边上,E为AB延长线上一点,且角FCE=90度,如果S三角1、正方形ABCD边长为16,F在AD边上,E为AB延长线上一点,且角FCE=90度,如果S三角形FCE=200 求BE的长2、已知菱形有一个内角位12](/uploads/image/z/10224162-18-2.jpg?t=%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E8%BE%B9%E9%95%BF%E4%B8%BA16%2CF%E5%9C%A8AD%E8%BE%B9%E4%B8%8A%2CE%E4%B8%BAAB%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%E8%A7%92FCE%EF%BC%9D90%E5%BA%A6%2C%E5%A6%82%E6%9E%9CS%E4%B8%89%E8%A7%921%E3%80%81%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E8%BE%B9%E9%95%BF%E4%B8%BA16%2CF%E5%9C%A8AD%E8%BE%B9%E4%B8%8A%2CE%E4%B8%BAAB%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%E8%A7%92FCE%EF%BC%9D90%E5%BA%A6%2C%E5%A6%82%E6%9E%9CS%E4%B8%89%E8%A7%92%E5%BD%A2FCE%3D200+%E6%B1%82BE%E7%9A%84%E9%95%BF2%E3%80%81%E5%B7%B2%E7%9F%A5%E8%8F%B1%E5%BD%A2%E6%9C%89%E4%B8%80%E4%B8%AA%E5%86%85%E8%A7%92%E4%BD%8D12)
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