To get to them in the shortest time, how far must the mechanic travel and in what direction?

Alex, Curtis and Michael go boating together on a calm day. They leave the marina dock and travel at a speed of 40 km/h due east for 3 hours. Then, they travel 22° west of south for 2 hours at a speed of 30 km/h. At that point, their boat breaks down and they call the mechanic at the marina dock to come and help them.

1 mark for an appropriate diagram

1 mark for finding the enclosed angle

1 mark for setting cosine law up properly

1 mark for finding the distances the boats travel

1 mark for finding the measure of angle A

1 mark for giving a correct direction

Need help ASAP plz

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