Law of Cosines: Pilot flies for 1h 3omin. Heads 10 degrees right, and then flies 2h in new direction. If she maintains constant speed of 610mi/h, how far is she from starting position?

Question

A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a constant speed of 610 mi/h, how far is she from her starting position? 

Answer 1

Draw and label a diagram and repost with a specific question.