Question

maths question class 9​

Answer 1

Step-by-step explanation:

Given

a>b=180°×⅙

=30°

Therefore,a=b+30°

a+b=180°

b+30°+b=180°

2b+30°=180°

2b=180°-30°

2b=150°

b=150°/2

b=75°

a=b+30°

=75°+30°

=105°

Hope it helps!!