已知:如图,AB∥CD,直线EF分别交AB、CD于点E、F,∠BEF的平分线与∠DEF的平分线相交于点P.∠P=______

2025-05-08 01:02:41
推荐回答(1个)
回答1:

∵AB∥CD
∴∠BEF+∠DFE=180°
又∵∠BEF的平分线与∠DFE的平分线相交于点P
∴∠PEF=

1
2
∠BEF,∠PFE=
1
2
∠DFE
∴∠PEF+∠PFE=
1
2
(∠BEF+∠DFE)=90°
∵∠PEF+∠PFE+∠P=180°
∴∠P=90°.
故答案为90°.