Question

Solve This...no spam



Solve it with the help of the diagram !​

Answer 1

We have,

∠A=120°

And AB=AC⇒∠B=∠C

But, ∠A+∠B+∠C=180°

∴120° +∠B+∠B=180°

⇒2∠B=60°

⇒∠B=30°

⇒∠C=∠B=30°