How do you work out the size of angle x ?

Answer:
117°
Step-by-step explanation:
Angle of straight line is 180°
Angles in a triangle add up to 180°
starting at right
180 - 101 = 79° at right side angle in triangle
now solving left side angle
180 - 38 - 79 = 63°
now solving x using left side angle, must add to 180°
x + 63 = 180°
x = 117°
Answer:
117
Step-by-step explanation:
101=38+(180-x)
101-38=180-x
63=180-x
x=180-63=117