Respuesta :
1. They are consecutive interior angles
2. 6x+18+9x+12=180
15x+30=180
15x=150
x=10
3. Yes, they are parallel the consecutive interior angles converse
hope this helps! <3
Answer:
They are consecutive interior angles
6x + 18 + 9x + 12 = 180
15x + 30 = 180
15x = 150
x = 10
Yes, they are parallel the consecutive interior angles converse.