Question

find the value of Y​

Answer 1

Step-by-step explanation:

y+y+20=180(linear pair)

2y+20=180

2y=160

y=80

Answer 2

Answer:

y+y+20°=180°(two sides are equal then their opposite angels are also equal)

2y+20°=180

2y=180-20

2y=160

y=80°

I hope this answer may help you dear