Question

in a triangle ABC, <A =120° and < B =2 <C. Find <B and < C .​

Answer 1

Answer:

C=x

B=2x

A=120

120+2x+x=180

3x=60

X=20

Step-by-step explanation:

Answer 2

Answer:

∠A=120

∘

and AB=AC⇒∠B=∠C

But, ∠A+∠B+∠C=180

∘

∴120

∘

+∠B+∠B=180

∘

⇒2∠B=60

∘

⇒∠B=30

∘

⇒∠C=∠B=30

o