如图①,四边形ABCD是正方形,点G是BC上任意一点,DE⊥AG于点E,BF⊥AG于点F.(1)求证:DE-BF=EF;(2)当点G为BC边中点时,试探究EF与GF之间的关系
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![如图①,四边形ABCD是正方形,点G是BC上任意一点,DE⊥AG于点E,BF⊥AG于点F.(1)求证:DE-BF=EF;(2)当点G为BC边中点时,试探究EF与GF之间的关系](/uploads/image/z/11468995-43-5.jpg?t=%E5%A6%82%E5%9B%BE%E2%91%A0%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E6%98%AF%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E7%82%B9G%E6%98%AFBC%E4%B8%8A%E4%BB%BB%E6%84%8F%E4%B8%80%E7%82%B9%2CDE%E2%8A%A5AG%E4%BA%8E%E7%82%B9E%2CBF%E2%8A%A5AG%E4%BA%8E%E7%82%B9F%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9ADE-BF%3DEF%EF%BC%9B%EF%BC%882%EF%BC%89%E5%BD%93%E7%82%B9G%E4%B8%BABC%E8%BE%B9%E4%B8%AD%E7%82%B9%E6%97%B6%2C%E8%AF%95%E6%8E%A2%E7%A9%B6EF%E4%B8%8EGF%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB)
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