Respuesta :

korkeesklara
Well from my perspective, this looks like an equilateral triangle. Thus being said, an equilateral triangle has 3 equal sides and 3 equal angles. So that means the value of y is 60 degrees. 
Hope I helped :)
Floki22
x+y+z = 180

y + y + 60 = 180

2y = 180 - 60

2y = 120

y = 120 ÷ 2

y = 60°