Question 929601
The total of the four angles is 360
The angle opposite the angle which is 120 is also 120
The other opposite angles are equal so we can describe by
120 + 120 + 2x = 360
240 + 2x = 360
add -240 to each side
 2x = 120
 x = 60
So the angles are 120 60 120 60