如图,已知AC//DF,AD=BE,AC=DF,试说明,BC//EF答案

如图,已知AC//DF,AD=BE,AC=DF,试说明,BC//EF答案 如图,已知:AD=BE,AC=DF,且AC∥DF,求证:BC∥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. 已知:如图,BC//EF,AD=BE,BC=EF,试说明AC=DF. 如图,已知BE=DF,AC=CF,AE‖CF.求证：AD‖BC. 已知,如图,AD=BC,AE=CF,BE⊥AC,DF⊥AC,垂足分别为E,F,求证;DF=BE 如图,已知AD=BC,BE⊥AC于E,DF⊥AC于F,且BE=DF.求证AB‖CD 已知：如图,AB∥DC,AD∥BC,BE⊥AC,DF⊥AC,垂足分别为E、F.求证：BE=DF. 如图,已知AD=BE,AC=DF,BC=EF.求证:△ACB≌△DFE;求证：AC∥DF 如图,AC=DF,AC//DF,AD=BE,试探索线段BC,EF的关系. 已知如图,AD=BE,AC=DF,BC=EF,证：△ABC≌△DEF.已知如图,AD=BE,AC=DF,BC=EF,证：△ABC≌△DEF. 已知,如图AD=BE,∠A=∠FDE,AC=DF/求证:BC平行EF 如图,已知：df垂直ac,be垂直ac,ae等于cf,ab等于cd,求证：ad等于bc 如图,已知AB⊥BC,AE⊥EF,AC=DF,BE=CF.求证AC平行于DF. 如图,已知AB⊥BC,DE⊥EF,AC=DF,BE=CF.求证：AC‖DF 图,已知AD=BE,BC平行EF,BC=EF 求证 AC=DF 如图,四边形ABCD中,AB‖DC,AD‖CB,BE⊥AC,DF⊥AC,垂足分别为E,F.求证:BE=DF. 如图,AB‖CD,AD‖BC,BE⊥AC于E,DF‖AC于F,求证BE=DF谢.