Question

plzz answer for this question step by step​

Answer 1

Solution:-

sum of all angles of triangle is equal to 180°

A+B+C=180°

X+15+X-15+X+30=180°

3X+30=180°

3X=180°-30

3X=150°

X=150/3

X=50°

A=X+15

50 + 15

A=65°

B=X-15

50 - 15

B=35°

C=X+30

50 + 30

C=80°

A=65°

B=35°

C=80°