Two ships leave a harbor at the same time, traveling on courses that have an angle of $\displaystyle {110}^{\circ}$ between them. If the first ship travels at $\displaystyle {30}$ miles per hour and the second ship travels at $\displaystyle {43}$ miles per hour, how far apart are the two ships after $\displaystyle {2.8}$ hours?

distance = Preview Question 6   miles