Answer: B. 65°
Reason: The linear pair formed by 130° and the angle adjacent to it is 180°.
Therefore, the adjacent angle is 50° (180°-130°)
Now since the other two angles are equal to y°,
Therefore, 50°+y°+y°=180°(Angle sum property of triangles)
50°+2y°=180°
2y=130°
y=65°
