Question

In trIangle ABC ,Angle A=Angle B,Angle B=Angle C ,and Angle C=30 degrees ,then Angle A Equal to

A)50 B)40 C)70 D) 60

Answer 1

since angle A=angle B while angle C= angle B
it implies that angle A=angleC=30°

Answer 2

There is some mistake in your question
by the information given
angle A =angle B=angle C=30 degree
angle A=30 degree