Question

find x in the abjecent triangle​

Answer 1

Answer:

Using theorem, Sum of interior angles of a triangle is 180o .

We get ∠A+∠B+∠C=180o 

⇒x+15+x−15+x+30=180o

⇒3x+30=180o

⇒3x=150o

⇒x=50o

∴ Angles are ∠A=65o,∠B=35o,∠C=80