Kak tolong jawab ya☺️besok kumpul

dik, sudut A = 30°
sudut B = 45°
a = 6 cm
dit, sisi b?
penyelesaian :
a/sin A = b/sin B
6/sin 30° = b/sin 45°
b = (6 × sin 45)/sin 30
b = (6 × ½√2)/½
b = 3√2/½
b = 6√2 cm