Answer:
126 degree
Step-by-step explanation:
use alternate angles and linear pair
Answer:
Y=20
Step-by-step explanation:
90= (4y+10)
90-10=4y
80=4y
Y=80/4= 20
B at least 70% i had the same question before and that was correct
it had to be b cuz now all quadrilateral have straight sides
