Question

write conservea of theorm "in triangle ABC if ab=ac then angle c= angle b

Answer 1

the above theorem is about an icoseless triangle.
In an isoceless triangle, The two sides and the two angles will be equal.
The converse of the above theorem is.. "In a triangle ABC, if angle c =angle B, then the sides AB and AC are of equal length.
(angles between the same sides are equal)..

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Answer 2

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