如图,AB=CD,DF⊥AC于F,BE⊥AC于E,DF=BE,求证:AF=CE.
已知:如图,BE⊥AC,DF⊥AC,垂足分别是点E、F.AF=CE,BE=DF.求证:AB=CD
如图,已知AD=BC,BE⊥AC于E,DF⊥AC于F,且BE=DF.求证AB‖CD
如图,AB∥DC,AD∥BC,BE⊥AC于E,DF⊥AC于F,求证:BE=DF.
如图,E,F是线段AC上两点,AF=CE,DF=BE,DF平行BE.求证:△AFD全等于△CEB
已知:如图,AC平分∠BAD,CE⊥AB于E CF⊥AD于F,且BC=DC.求证:BE=DF.
如图所示,已知CE垂直AB于E,DF垂直AB于F,AF=BE,AC=BD.求证:CE=DF
【后面会追加分数的】(1)如图 AB平行于CD,AD平行于BC,BE⊥AC于E,DF⊥AC于F求证:BE=DF(2)把第
已知:如图AC平分∠BAD,CE⊥AB于E,CF⊥AD于F,且BC=DC求证BE=DF
已知:如图,AC平分∠BAD,CE⊥AB于E,CF⊥AD于F,且CB=CD,若BE=8,求DF长?
如图,△ABC中,CD⊥AB于D,E为BC中点,延长AC、DE相较于F,求证AC比BC=AF比DF
如图所示,已知CE垂直AB于E,DF垂直AB于F,AF=BE,AC=BD.求证:AB∥BD
如图,AB、CD相交于点O,AC//DB,AF=BE,OC=OD,AC=DB.求证:DF=EC且DF//EC