Question

In ABC<A=3, <B, <C=2 <B. find the three angles of triangle ABC

Answer 1

Given,
<A = 3
<C = 2<B
Let <B be it only

Now,
<A + <B + <C = 180
3 + <B + 2<B = 180
3<B = 177
<B = 59

So,
<C = 2<B
= 2 (59)
= 118