what is the value of y?

Answer:
60°
Step-by-step explanation:
Its an equilateral triangle so all sides are the same
Answer: B
Step-by-step explanation:
The sum of the angles of a triangle must be equal to 180º.
We have two of the three angles. We can make an equation to find y.
60+60+y=180
120+y=180
y=180-120
y=60