如图,已知:AD=AE,
如图,已知:AD=AE,
如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC.
已知:如图,AC/AD=AB/DE=BC/AE.求证AB=AE
如图,已知AD‖BC,AD=CB,AE=CF.求证:DF=BE
如图,已知AD/AE=DB/EC,AD=15,AB=35,AC=30,求AE
已知:如图,AD/AB=AE/BC求证:AD/AE=DB/EC和AB/DB=AC/EC
已知:如图,AD平行于BC,AE评分角BAD,AE垂直BE;说明AD+BC=AB
已知:如图,AD平行于BC,AE平分∠BAD,AE⊥BE;说明:AD+BC=AB
已知:如图,AD∥BC,AE平分∠BAD,AE⊥BE;说明:AD+BC=AB.
如图,已知AD//BC,AD=BC,AE⊥AD,AF⊥AB,AE=AD,AB=AF.求证:AC=EF.
已知:如图,AE=AC,AB=AD,∠EAB=∠CAD 已知:如图,AE=AC,AB=AD,∠EAB=∠CAD
如图,已知AE⊥AD,AF⊥AB,AB//CD,AE=CD,AE=AD,AF=CD,求证AC=EF