Find the Area of Triangle ABC with the Given Parts $128 ^ { \circ }$

Multiple Choice

Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.
-Two ships leave a harbor together traveling on courses that have an angle of $128 ^ { \circ }$ between them. If they each travel 543 miles, how far apart are they (to the nearest mile) ?

A) $976 \mathrm { mi }$
B) $42 \mathrm { mi }$
C) $476 \mathrm { mi }$
D) $1952 \mathrm { mi }$