Question

Please solve this question its urgent.
About the question also know that the line BB' is an angle bisector

Answer 1

in ∆ABB' and ∆CBB'

AB=CB

angle ABB'=angle CBB'[As BB' is the bisector of angle ABC]

and BB'=BB'[Common sides ]

therefore ∆ABB' congruent to ∆CBB'

Answer 2

Answer:

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