Answer:
120 degrees
Step-by-step explanation:
It's a vertical angle, meaning that it is congruent to the one on the opposite side of it.
I think the answer is c beacause you have to multiply to get the answer
Answer:
(5x+20)+(4x-11)=180(linear pair)
9x+9=180
9x=180-9
9x=171
x=171/9
x=19
now,
(2y+19)+(5x+20)=180(co-interior angle)
2y+19+5×19+20=180
2y+134=180
2y=180
y=180/2
y=90
the answer is 39 because you need to divide.
