Question

In triangle ABC, if BC=AB and angle B = 80 degrees, then the value of angle A equals to
a)40 degrees
b)50 degrees
c)60 degrees
d)70 degrees
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Answer 1

Answer:

b)50 degree is the answer

Answer 2

Step-by-step explanation:

20 the right answer of this question because the sum of any triangle of side is 180 degree and both side are equal then it is equal to 80 degree and the sum of 80 and 80 is equal to 60 degree and remaining will be 20 degree to complete 180 degree