in ∆ABC, if AB=AC, then angleA=angleC. State true or false
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In triangle abc construct ad
Now in triangle abd and triangle acd
Ad=Ad (common)
Ab=Ac(given)
Angle A =AngleA(Ad is a bisector)by SAS property Triangle abd is congruent to triangle and acd
By Cocteau Angle B=AngleC
Or
Ab =Ac
Angle B=Angle C(opposite angles are equal if opposite sides are equal
But according to theorem first is correct answer.
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