A ship sails 20 km on a bearing of 030^circ. How far east of its start is it?

  1. 10 km
  2. 10 3 km
  3. 20 km
  4. 20 3 km
Answer

A) 10 km

The angle from the north–south line is 30^circ, so east = 20sin 30^circ = 20 12 = 10 km (and it is 10 3 km north). SLO M-09-B-27 · Application

Mathematics MCQ · More Bearing MCQs · Practise