Answer :

In the given ∆ABC,


A = 110° and AB = AC


⇒ ∠B = C {angles opposite to equal sides are equal}


Also, sum of all the angles of a triangle is 180°.


⇒ ∠A + B + C = 180°


2B = 180° - 110°


2B = 70°


⇒ ∠B = C = 35°


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