AB=AC and AD is Perpendicular on BC. BE bisect angle B and EF is perpendicular to AB. prove BD=CD and ED=EF SELINA class 9 Math ex 9A Question 14

AB=AC and AD is Perpendicular on BC. BE bisect angle B and EF is perpendicular to AB. 

prove :

(i) BD=CD

(ii) ED=EF 

  SELINA class 9 Math ex 9A  Question 14