Answer:
y= 128, x=52
Step-by-step explanation:
The Sum of all the angles in a quadrilateral is 360.y is 128 because both those angles are equalthe other 2 angles are also equal to each other.
360 - 128-128= 104104/2 is 52
y = 128
x + y = 180 {Supplementary}
x + 128 = 180
x = 180 - 128
x = 52
