Answer:
x = 25°
y = 55°
Explanation:
Finding the angles of a parallelogram:
In Parallelogram, opposite angles are equal.
3x - 15 = 60
Add 15 to both sides,
3x = 60 + 15
3x = 75
Divide both sides by 3,
x = 75÷3

AB // CD and BD is transversal, So, alternate interior angles are equal.
y = 55°