Respuesta :

60 maybe all triangles = 180 i think so divided by 3 cause all sides are equal would be 60
maddieliz0912

Answer:

Y= 60 degrees.

Step-by-step explanation:

A traingle's three angles always equals 180 degrees. since the singular line on the triangle on the right mean the side are equal, the angles are also equal. 180 divided by 3 equals 60 degrees.