Question

in angle abc in which angle a =80 degree and ab =ac find angle b and c​

Answer 1

Answer:

b=c=50°

Step-by-step explanation:

we know that, a +b+c=180°

So, b+c= 180-80=100°

as ab =ac,

so angle b = angle c

Since, b+c=100

so, b+b=100

......b= 50°

hence, b=c=50°