已知,如图BD为∠ABC的平分线,AB＝BC,点P在BD上,PM⊥AD于M,PN⊥CD于N,求证PM＝PN.

已知,如图BD为∠ABC的平分线,AB＝BC,点P在BD上,PM⊥AD于M,PN⊥CD于N,求证PM＝PN. 如图,已知BD是∠ABC的平分线,AB=BC.点D在射线BD上,PM⊥AD于M,PN⊥CD于N.求证PM=PN.拜托有谁 如图,BD是∠ABC的平分线,AB=BC,P在BD上,PM⊥AD于M,PN⊥CD于N求证PM=PN 已知：如图所示,BD为∠ABC的平分线,AB=BC,点P在BD上,PM⊥AD于M,PN⊥CD于N,判断PM与PN的关系 在四边形ABCD中,BD为∠ABC的平分线,AB=BC,点P在BF上,PM⊥AD于M,PN⊥CD于N,求证:PM=PM 已知，如图，BD是∠ABC的平分线，AB=BC，点P在BD上，PM⊥AD，PN⊥CD，垂足分别是M、N．试说明：PM=P 如图所示,已知BD是∠ABC的平分线,AB=BC,点P在BD上,PM⊥AD,PN⊥C,求证PM=PN. 在⑴BD是∠ABC的平分线⑵PM=PN⑶AB=BC⑷PM⊥AD于M,PN⊥CD于N 已知矩形abcd,ab等于30,ad等于40,ck⊥db,p为bc上的动点,pm⊥ac于m,pn⊥bd与n,求pm+pn 初中几何题：如图,BD是∠ABC的角平分线,AB=BC,点P在BD上,PM⊥AD,PN⊥CD,垂足分别E,F.试证明：P ∠D=∠C=90°,∠DAB=∠ABC,若P为AB上一点,PM⊥BD于点M,PN⊥AC于点N,请猜想线段PM、PN、AD 如图，OD平分∠AOB，OA=OB，P是OD上一点，PM⊥BD于点M，PN⊥AD于点N．求证：PM=PN．