Answer:
x=6
5x angle= 30 degrees
opposite angle=60 degrees
Explanation:
the angle is a mirror of the right side, which is a 90 degree angle. so you take 90-54, which gets you 36. then you have 6x=36. so divide both sides by 6 and you get x=6. then substitute 6 for x.
5*6=30
6+54=60