Question

please give the answer for it fast

Answer 1

Answer:

3y+30+90=180

3y+120=180

3y=180-120

60

3y=60

y=60÷3=20

y=20

Answer 2

Answer:

20°

Step-by-step explanation:

Formula- Vertically opposite angles are equal.

30° = 30°.

Formula- Linear angle

Line AB is a linear angle as both the angles are supplements of each other 90° on right = 90° on other too...

3y = 90° - 30° = 60°.

y = 60° ÷ 3 = 20°.

Simple as that... Keep learning...