如图,AC=DF,AD=BE,BC=EF.求证:
如图,已知:AD=BE,AC=DF,且AC∥DF,求证:BC∥EF
图,已知AD=BE,BC平行EF,BC=EF 求证 AC=DF
如图,已知AD=BE,AC=DF,BC=EF.求证:△ACB≌△DFE;求证:AC∥DF
如图,已知AB⊥BC,AE⊥EF,AC=DF,BE=CF.求证AC平行于DF.
如图D在AC上点E在CB的延长线上且BE=AD,ED交AB于F求证AC*DF=EF*BC
如图,已知BE=DF,AC=CF,AE‖CF.求证:AD‖BC.
如图,AB∥DC,AD∥BC,BE⊥AC于E,DF⊥AC于F,求证:BE=DF.
如图,BC‖EF,AC‖DF,AE=DB,求证;BC=EF
如图,已知:AB⊥BC于B,EF⊥AC于G,DF⊥BC于D,BC=DF.求证:AC=EF.
如图,已知AD=CB,BE垂直AC于点E,DF垂直AC于点F,BE=DF,求证;AD//BC.
如图,点A,B,D,E在同一直线上,AC=EF,BC=DF,AD=EB,求证:AC//EF.
已知如图,AD=BE,AC=DF,BC=EF,证:△ABC≌△DEF.