Answer:

Step-by-step explanation:
By the definition of an angle bisector, we have that
.
We can add
to both sides to get
.
We can then subtract
from both sides to get
.
We can finally divide both sides by
to get 
(180-144)° + 3x + 90° = 180°
36 + 3x + 90° = 180°
x = 18°
Answer:
False
Step-by-step explanation: