Question

1st - f
2nd - a and b

Answer 1

1 .f..2 degree is an acute angle as it is less than 90 degree.
2.a. 180-30=150degree
b. 180-(90+55)=180-145=35 degree.
hope it is helpful for you

Answer 2

Hey friend,
Here is the answer you were looking for :

1st :
2°
Well, the angle less than 90° is called as acute angle. So it's acute angle.

2nd :
(a)
150°

(b) 35°

( Explanation in the image)

Hope this helps!!

If you have any doubt regarding to my answer, feel free to ask in the comment section or inbox me if needed.

@Mahak24

Thanks...
☺☺