Answer:
The angles are 60,60 ,120,120
Step-by-step explanation:
The sum of the angles of a quadrilateral is 360 degrees
x+x+1/2x + 1/2x = 360
Combine like terms
3x = 360
Divide each side by 3
3x/3 = 360/3
x = 120
1/2x = 1/2 (120) = 60
x= 120
The angles are 60,60 ,120,120
