Question

Triangle ABC is isosceles with AB=AC, if triangle A=80degree.What is the measure of triangle B?

Answer 1

50 degree measure of angle b

Answer 2

Triangle a is 89° so sun of angle of triangle a+b+c= 180
80+x+x=180
2x=180- 80
2x=100
x=50
and a,b,c=x
so a=80,b=50,c=50