Question

In the given figure AD = AE, BD = EC, prove that ABC is an isosceles triangle.




19.

Answer 1

AD=AE :: <D=<E :::: BD+DE=EC+DE;;;;
in triangle ABE& ACD;;; AD = AE ;;;<D=<E
BE= CD by SAS congruence ::: ABE cong. ACD ;;; AB = AC cpct