问题:
▱ABCD中,AB=3,AD=5,E为AB中点,在BC上取一点F,使△DCF ∽△DAE,则BF=______.
▱ABCD中,AB=3,AD=5,E为AB中点,在BC上取一点F,使△DCF ∽△DAE,则BF=______.
参考答案: