Respuesta :

2x° and x° on the straight angle form a 180°
2x + x = 180
3x = 180
x = 60 
The x is 60°
2x° and 2 y on the straight angle is 180°
since you know 2x is 120°
180 - 120 = 60
There is 2 y, so you divide 60 by 2
60 ÷ 2 = 30 
The y is 30°