In △XYZ\triangle XYZ△XYZ, ∠X=30∘,x=5,y=10\angle X = 30^\circ, x = 5, y = 10∠X=30∘,x=5,y=10. Find ∠Y\angle Y∠Y.
45∘45^\circ45∘
60∘60^\circ60∘
90∘90^\circ90∘
120∘120^\circ120∘