(1),求∠BFD的度数。(2),若EG//AD交BC于G,EH ⊥BE交BC于H,求∠HEG的度数。快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快快