Question

What is the value of y?

Answer 1

Since AC=BC=AB

ABC TRIANGLE IS A EQUILATERAL TRIANGLE

Y+60+60 =180

Y =180-120

y = 60

so the answer is option D

Answer 2

y=60°

Explanation:

y+60+60=180 degree (sum of interior angles of a triangle)

y+120=180

y=180-120

y=60 degree