Question

find it ....................​

Answer 1

9y=180 (linear pair)

y=20

.°. 2y =2×20= 40

.°. 3y =3×20=60

.°. 4y=4×20=80

Answer 2

Step-by-step explanation:

2y+4y+3y=180

9y=180

y=20°

2y=40°

4y=80°

3y=60°

Hope it help....