A ship sails on a bearing of S20°W for 14 km, then changes direction and sails for 20 km and drops anchor. Its bearing from the starting points is now N65°W.
a) How far is it from the starting point?
And yes...I have done a diagram on it.
Any help will be appreciated!
1. Use the Sine rule to calculate the angle at the top of the triangle (the lightblue one):
2. Calculate the 3rd angle (the lightgreen one).
3. Use Cosine rule to calculate the distance between the starting point S and the place where the ship lies at anchor (the red line)
For your confirmation: I've got d = 13.115 km