Question

如图,三角形ABC全等三角形A'B'C',AD平分∠BAC,A'D'平分∠B'A'C',求AD=A'D'

Answer 1

三角形ABC全等三角形A'B'C'

所以AB=A'B',∠BAD=1/2∠BAC=1/2∠B'A'C'=∠B'A'D'

∠B=∠B'

三角形BAD全等于三角形B'A'D'

所以AD=A'D