Answer:
x = 106
Step-by-step explanation:
Sum of angles around a point = 360
i.e,
=> 164 + 90 + x = 360
=> 254 + x = 360
=> x = 360 - 254
=> x = 106
Basic fact:
angles in a point add up to make 360
164+90(that is the right angle)+x=360
254+x=360
-254
x=106
