Question 1120727
Two ships leave the dock at 8:00 AM.   The first ship travels at a bearing of N 26o W at 18 miles per hour.   The second ship travels at a bearing of S 43o W at 24 miles per hours.   Find the distance between the two ships at 1:00 pm that same day. 
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It's a triangle.
The sides are 90 miles & 120 miles.
The included angle is 111º
Use the Cosine Law