Find the missing side lengths. Leave your answers in simplest radical form.
remember sin 30 = 1/2 cos 30 = sqrt 3 /2
sin30 = opp / hypot
1/2 = 21sqrt3 / x x = 42 sqrt 3
cos 30 = sqrt3/2 = adj / hypot
sqrt 3 /2 = y / 42 sqrt 3
y = 63
+36915 
