Answer:
The value of y is 14.
Step-by-step explanation:
To find : What is the value for y?
Solution :
As shown in the figure given,
The triangle given is an isosceles triangle as two sides are equal.
By property of isosceles triangle the two opposite angles are equal.
So, 
By property of triangle sum of angle of triangle is 180°.
So, 





Therefore, the value of y is 14.