Answer:
x = 19.6
Step-by-step explanation:
By applying cosine rule in ΔBCD,
cos(30)° =
=
BC =
Now, by applying sine rule in ΔBAC,
sin(45)° =
x =
x = 19.59
x ≈ 19.6
360
b
11 * 10 equals 110
3 * 2 equals 6
110 - 6 = 104
One third