Question

Find the value of x and y

Answer 1

y=120 x= 30

Answer 2

The big triangle is equilateral, so each big angle is 60 degrees. Thus the smaller angles of the isosceles triangles are also 30 degrees. All triangles have angles that add up to 180, and since the small triangle is isosceles, we know that both of the small angles have the same value. Thus y = 120, and x = 30.